You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by zh...@apache.org on 2024/05/18 18:45:03 UTC

svn commit: r69276 [2/5] - /dev/hbase/2.4.18RC0/

Added: dev/hbase/2.4.18RC0/CHANGES.md
==============================================================================
--- dev/hbase/2.4.18RC0/CHANGES.md (added)
+++ dev/hbase/2.4.18RC0/CHANGES.md Sat May 18 18:45:02 2024
@@ -0,0 +1,1827 @@
+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+-->
+# HBASE Changelog
+
+## Release 2.4.18 - Unreleased (as of 2024-05-18)
+
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28168](https://issues.apache.org/jira/browse/HBASE-28168) | Add option in RegionMover.java to isolate one or more regions on the RegionSever |  Minor | . |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27758](https://issues.apache.org/jira/browse/HBASE-27758) | Inconsistent synchronization in MetricsUserSourceImpl |  Major | metrics |
+| [HBASE-27713](https://issues.apache.org/jira/browse/HBASE-27713) | Remove numRegions in Region Metrics |  Major | metrics |
+| [HBASE-27422](https://issues.apache.org/jira/browse/HBASE-27422) | Support replication for hbase:acl |  Major | acl, Replication |
+| [HBASE-27818](https://issues.apache.org/jira/browse/HBASE-27818) | Split TestReplicationDroppedTables |  Major | Replication, test |
+| [HBASE-27819](https://issues.apache.org/jira/browse/HBASE-27819) | 10k RpcServer.MAX\_REQUEST\_SIZE is not enough in ReplicationDroppedTable related tests |  Major | test |
+| [HBASE-27792](https://issues.apache.org/jira/browse/HBASE-27792) | Guard Master/RS Dump Servlet behind admin walls |  Minor | security, UI |
+| [HBASE-27821](https://issues.apache.org/jira/browse/HBASE-27821) | Split TestFuzzyRowFilterEndToEnd |  Major | test |
+| [HBASE-27799](https://issues.apache.org/jira/browse/HBASE-27799) | RpcThrottlingException wait interval message is misleading between 0-1s |  Major | . |
+| [HBASE-27844](https://issues.apache.org/jira/browse/HBASE-27844) | changed type names to avoid conflicts with built-in types |  Minor | build |
+| [HBASE-27858](https://issues.apache.org/jira/browse/HBASE-27858) | Update surefire version to 3.0.0 and use the SurefireForkNodeFactory |  Minor | test |
+| [HBASE-27870](https://issues.apache.org/jira/browse/HBASE-27870) | Eliminate the 'WARNING: package jdk.internal.util.random not in java.base' when running UTs with jdk11 |  Major | build, pom, test |
+| [HBASE-27848](https://issues.apache.org/jira/browse/HBASE-27848) | Should fast-fail if unmatched column family exists when using ImportTsv |  Major | mapreduce |
+| [HBASE-27876](https://issues.apache.org/jira/browse/HBASE-27876) | Only generate SBOM when releasing |  Minor | build, pom |
+| [HBASE-27899](https://issues.apache.org/jira/browse/HBASE-27899) | Beautify the output information of the getStats method in ReplicationSource |  Minor | Replication |
+| [HBASE-27902](https://issues.apache.org/jira/browse/HBASE-27902) | New async admin api to invoke coproc on multiple servers |  Major | . |
+| [HBASE-27920](https://issues.apache.org/jira/browse/HBASE-27920) | Skipping compact for this region if the table disable compaction |  Major | Compaction |
+| [HBASE-27897](https://issues.apache.org/jira/browse/HBASE-27897) | ConnectionImplementation#locateRegionInMeta should pause and retry when taking user region lock failed |  Major | Client |
+| [HBASE-27906](https://issues.apache.org/jira/browse/HBASE-27906) | Fix the javadoc for SyncFutureCache |  Minor | documentation |
+| [HBASE-27956](https://issues.apache.org/jira/browse/HBASE-27956) | Support wall clock profiling in ProfilerServlet |  Major | . |
+| [HBASE-28012](https://issues.apache.org/jira/browse/HBASE-28012) | Avoid CellUtil.cloneRow in BufferedEncodedSeeker |  Major | Offheaping, Performance |
+| [HBASE-28025](https://issues.apache.org/jira/browse/HBASE-28025) | Enhance ByteBufferUtils.findCommonPrefix to compare 8 bytes each time |  Major | Performance |
+| [HBASE-28051](https://issues.apache.org/jira/browse/HBASE-28051) | The javadoc about RegionProcedureStore.delete is incorrect |  Trivial | documentation |
+| [HBASE-28052](https://issues.apache.org/jira/browse/HBASE-28052) | Removing the useless parameters from ProcedureExecutor.loadProcedures |  Minor | proc-v2 |
+| [HBASE-28038](https://issues.apache.org/jira/browse/HBASE-28038) | Add TLS settings to ZooKeeper client |  Major | Zookeeper |
+| [HBASE-28059](https://issues.apache.org/jira/browse/HBASE-28059) | Use correct units in RegionLoad#getStoreUncompressedSizeMB() |  Major | Admin |
+| [HBASE-28068](https://issues.apache.org/jira/browse/HBASE-28068) | Add hbase.normalizer.merge.merge\_request\_max\_number\_of\_regions property to limit max number of regions in a merge request for merge normalization |  Minor | Normalizer |
+| [HBASE-22138](https://issues.apache.org/jira/browse/HBASE-22138) | Undo our direct dependence on protos in google.protobuf.Any in Procedure.proto |  Major | proc-v2, Protobufs |
+| [HBASE-28135](https://issues.apache.org/jira/browse/HBASE-28135) | Specify -Xms for tests |  Major | test |
+| [HBASE-28113](https://issues.apache.org/jira/browse/HBASE-28113) | Modify the way of acquiring the RegionStateNode lock in checkOnlineRegionsReport to tryLock |  Major | master |
+| [HBASE-28193](https://issues.apache.org/jira/browse/HBASE-28193) | Update plugin for SBOM generation to 2.7.10 |  Major | build, pom |
+| [HBASE-28212](https://issues.apache.org/jira/browse/HBASE-28212) | Do not need to maintain rollback step when root procedure does not support rollback |  Major | master, proc-v2 |
+| [HBASE-28209](https://issues.apache.org/jira/browse/HBASE-28209) | Create a jmx metrics to expose the oldWALs directory size |  Major | metrics |
+| [HBASE-21243](https://issues.apache.org/jira/browse/HBASE-21243) | Correct java-doc for the method RpcServer.getRemoteAddress() |  Trivial | . |
+| [HBASE-20528](https://issues.apache.org/jira/browse/HBASE-20528) | Revise collections copying from iteration to built-in function |  Minor | . |
+| [HBASE-28332](https://issues.apache.org/jira/browse/HBASE-28332) | Type conversion is no need in method CompactionChecker.chore() |  Minor | Compaction |
+| [HBASE-28357](https://issues.apache.org/jira/browse/HBASE-28357) | MoveWithAck#isSuccessfulScan for Region movement should use Region End Key for limiting scan to one region only. |  Minor | Region Assignment |
+| [HBASE-28356](https://issues.apache.org/jira/browse/HBASE-28356) | RegionServer Canary can should use Scan just like Region Canary with option to enable Raw Scan |  Minor | canary |
+| [HBASE-28398](https://issues.apache.org/jira/browse/HBASE-28398) | Make sure we close all the scanners in TestHRegion |  Major | test |
+| [HBASE-28313](https://issues.apache.org/jira/browse/HBASE-28313) | StorefileRefresherChore should not refresh readonly table |  Major | regionserver |
+| [HBASE-28424](https://issues.apache.org/jira/browse/HBASE-28424) | Set correct Result to RegionActionResult for successful Put/Delete mutations |  Major | . |
+| [HBASE-28427](https://issues.apache.org/jira/browse/HBASE-28427) | FNFE related to 'master:store' when moving archived hfiles to global archived dir |  Minor | master |
+| [HBASE-28124](https://issues.apache.org/jira/browse/HBASE-28124) | Missing fields in Scan.toJSON |  Major | . |
+| [HBASE-28504](https://issues.apache.org/jira/browse/HBASE-28504) | Implement eviction logic for scanners in Rest APIs to prevent scanner leakage |  Major | REST |
+| [HBASE-28292](https://issues.apache.org/jira/browse/HBASE-28292) | Make Delay prefetch property to be dynamically configured |  Major | . |
+| [HBASE-28470](https://issues.apache.org/jira/browse/HBASE-28470) | Fix Typo in Java Method Comment |  Trivial | Admin |
+| [HBASE-28497](https://issues.apache.org/jira/browse/HBASE-28497) | Missing fields in Get.toJSON |  Major | Client |
+| [HBASE-28255](https://issues.apache.org/jira/browse/HBASE-28255) | Correcting spelling errors or annotations with non-standard spelling |  Minor | . |
+| [HBASE-28517](https://issues.apache.org/jira/browse/HBASE-28517) | Make properties dynamically configured |  Major | . |
+| [HBASE-28518](https://issues.apache.org/jira/browse/HBASE-28518) | Allow specifying a filter for the REST multiget endpoint |  Major | REST |
+| [HBASE-28552](https://issues.apache.org/jira/browse/HBASE-28552) | Bump up bouncycastle dependency from 1.76 to 1.78 |  Major | dependencies, security |
+| [HBASE-28523](https://issues.apache.org/jira/browse/HBASE-28523) | Use a single get call in REST multiget endpoint |  Major | REST |
+| [HBASE-28556](https://issues.apache.org/jira/browse/HBASE-28556) | Reduce memory copying in Rest server when serializing CellModel to Protobuf |  Minor | REST |
+| [HBASE-28563](https://issues.apache.org/jira/browse/HBASE-28563) | Closing ZooKeeper in ZKMainServer |  Minor | Zookeeper |
+| [HBASE-28501](https://issues.apache.org/jira/browse/HBASE-28501) | Support non-SPNEGO authentication methods and implement session handling in REST java client library |  Major | REST |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25292](https://issues.apache.org/jira/browse/HBASE-25292) | Improve InetSocketAddress usage discipline |  Major | Client, HFile |
+| [HBASE-27704](https://issues.apache.org/jira/browse/HBASE-27704) | Quotas can drastically overflow configured limit |  Major | Quotas |
+| [HBASE-27778](https://issues.apache.org/jira/browse/HBASE-27778) | Incorrect  ReplicationSourceWALReader. totalBufferUsed may cause replication hang up |  Major | Replication |
+| [HBASE-27768](https://issues.apache.org/jira/browse/HBASE-27768) | Race conditions in BlockingRpcConnection |  Major | . |
+| [HBASE-27807](https://issues.apache.org/jira/browse/HBASE-27807) | PressureAwareCompactionThroughputController#tune log the opposite of the actual scenario |  Trivial | Compaction |
+| [HBASE-27810](https://issues.apache.org/jira/browse/HBASE-27810) | HBCK throws RejectedExecutionException when closing ZooKeeper resources |  Major | hbck |
+| [HBASE-27822](https://issues.apache.org/jira/browse/HBASE-27822) | TestFromClientSide5.testAppendWithoutWAL is flaky |  Major | scan, test |
+| [HBASE-27823](https://issues.apache.org/jira/browse/HBASE-27823) | NPE in ClaimReplicationQueuesProcedure when running TestAssignmentManager.testAssignSocketTimeout |  Major | test |
+| [HBASE-27824](https://issues.apache.org/jira/browse/HBASE-27824) | NPE in MetricsMasterWrapperImpl.isRunning |  Major | test |
+| [HBASE-27857](https://issues.apache.org/jira/browse/HBASE-27857) | HBaseClassTestRule: system exit not restored if test times out may cause test to hang |  Minor | test |
+| [HBASE-27860](https://issues.apache.org/jira/browse/HBASE-27860) | Fix build error against Hadoop 3.3.5 |  Major | build, hadoop3 |
+| [HBASE-27865](https://issues.apache.org/jira/browse/HBASE-27865) | TestThriftServerCmdLine fails with org.apache.hadoop.hbase.SystemExitRule$SystemExitInTestException |  Major | test, Thrift |
+| [HBASE-27874](https://issues.apache.org/jira/browse/HBASE-27874) | Problem in flakey generated report causes pre-commit run to fail |  Major | build |
+| [HBASE-27277](https://issues.apache.org/jira/browse/HBASE-27277) | TestRaceBetweenSCPAndTRSP fails in pre commit |  Major | proc-v2, test |
+| [HBASE-27510](https://issues.apache.org/jira/browse/HBASE-27510) | Should use 'org.apache.hbase.thirdparty.io.netty.tryReflectionSetAccessible' |  Major | . |
+| [HBASE-27923](https://issues.apache.org/jira/browse/HBASE-27923) | NettyRpcServer may hange if it should skip initial sasl handshake |  Major | netty, rpc, security |
+| [HBASE-27940](https://issues.apache.org/jira/browse/HBASE-27940) | Midkey metadata in root index block would always be ignored by BlockIndexReader.readMultiLevelIndexRoot |  Major | HFile |
+| [HBASE-27871](https://issues.apache.org/jira/browse/HBASE-27871) | Meta replication stuck forever if wal it's still reading gets rolled and deleted |  Major | meta replicas |
+| [HBASE-27950](https://issues.apache.org/jira/browse/HBASE-27950) | ClientSideRegionScanner does not adhere to RegionScanner.nextRaw contract |  Minor | . |
+| [HBASE-27951](https://issues.apache.org/jira/browse/HBASE-27951) | Use ADMIN\_QOS in MasterRpcServices for regionserver operational dependencies |  Major | . |
+| [HBASE-27942](https://issues.apache.org/jira/browse/HBASE-27942) | The description about hbase.hstore.comactionThreshold is not accurate |  Minor | documentation |
+| [HBASE-27859](https://issues.apache.org/jira/browse/HBASE-27859) | HMaster.getCompactionState can happen NPE when region state is closed |  Major | master |
+| [HBASE-27553](https://issues.apache.org/jira/browse/HBASE-27553) | SlowLog does not include params for Mutations |  Minor | . |
+| [HBASE-28011](https://issues.apache.org/jira/browse/HBASE-28011) | The logStats about LruBlockCache is not accurate |  Minor | BlockCache |
+| [HBASE-28042](https://issues.apache.org/jira/browse/HBASE-28042) | Snapshot corruptions due to non-atomic rename within same filesystem |  Major | snapshots |
+| [HBASE-28055](https://issues.apache.org/jira/browse/HBASE-28055) | Performance improvement for scan over several stores. |  Major | . |
+| [HBASE-28076](https://issues.apache.org/jira/browse/HBASE-28076) | NPE on initialization error in RecoveredReplicationSourceShipper |  Minor | . |
+| [HBASE-28065](https://issues.apache.org/jira/browse/HBASE-28065) | Corrupt HFile data is mishandled in several cases |  Major | HFile |
+| [HBASE-28101](https://issues.apache.org/jira/browse/HBASE-28101) | Should check the return value of protobuf Message.mergeDelimitedFrom |  Critical | Protobufs, rpc |
+| [HBASE-28106](https://issues.apache.org/jira/browse/HBASE-28106) | TestShadeSaslAuthenticationProvider fails for branch-2.x |  Blocker | test |
+| [HBASE-28105](https://issues.apache.org/jira/browse/HBASE-28105) | NPE in QuotaCache if Table is dropped from cluster |  Major | Quotas |
+| [HBASE-27991](https://issues.apache.org/jira/browse/HBASE-27991) | [hbase-examples] MultiThreadedClientExample throws java.lang.ClassCastException |  Minor | . |
+| [HBASE-28047](https://issues.apache.org/jira/browse/HBASE-28047) | Deadlock when opening mob files |  Major | mob |
+| [HBASE-28037](https://issues.apache.org/jira/browse/HBASE-28037) | Replication stuck after switching to new WAL but the queue is empty |  Blocker | Replication |
+| [HBASE-28081](https://issues.apache.org/jira/browse/HBASE-28081) | Snapshot working dir does not retain ACLs after snapshot commit phase |  Blocker | acl, test |
+| [HBASE-28126](https://issues.apache.org/jira/browse/HBASE-28126) | TestSimpleRegionNormalizer fails 100% of times on flaky dashboard |  Major | Normalizer |
+| [HBASE-28129](https://issues.apache.org/jira/browse/HBASE-28129) | Do not retry refreshSources when region server is already stopping |  Major | Replication, rpc |
+| [HBASE-28109](https://issues.apache.org/jira/browse/HBASE-28109) | NPE for the region state: Failed to become active master (HMaster) |  Major | master |
+| [HBASE-28144](https://issues.apache.org/jira/browse/HBASE-28144) | Canary publish read failure fails with NPE if region location is null |  Major | . |
+| [HBASE-28133](https://issues.apache.org/jira/browse/HBASE-28133) | TestSyncTimeRangeTracker fails with OOM with small -Xms values |  Major | . |
+| [HBASE-28146](https://issues.apache.org/jira/browse/HBASE-28146) | Remove ServerManager's rsAdmins map |  Major | master |
+| [HBASE-28145](https://issues.apache.org/jira/browse/HBASE-28145) | When specifying the wrong BloomFilter type while creating a table in HBase shell, an error will occur. |  Minor | shell |
+| [HBASE-28157](https://issues.apache.org/jira/browse/HBASE-28157) | hbck should report previously reported regions with null region location |  Major | . |
+| [HBASE-28185](https://issues.apache.org/jira/browse/HBASE-28185) | Alter table to set TTL using hbase shell failed when ttl string is not match format |  Minor | . |
+| [HBASE-28184](https://issues.apache.org/jira/browse/HBASE-28184) | Tailing the WAL is very slow if there are multiple peers. |  Major | Replication |
+| [HBASE-28189](https://issues.apache.org/jira/browse/HBASE-28189) | Fix the miss count in one of CombinedBlockCache getBlock implementations |  Major | . |
+| [HBASE-28191](https://issues.apache.org/jira/browse/HBASE-28191) | Meta browser can happen NPE when the server or target server of region is null |  Major | UI |
+| [HBASE-28174](https://issues.apache.org/jira/browse/HBASE-28174) | DELETE endpoint in REST API does not support deleting binary row keys/columns |  Blocker | REST |
+| [HBASE-28210](https://issues.apache.org/jira/browse/HBASE-28210) | There could be holes in stack ids when loading procedures |  Critical | master, proc-v2 |
+| [HBASE-28217](https://issues.apache.org/jira/browse/HBASE-28217) | PrefetchExecutor should not run for files from CFs that have disabled BLOCKCACHE |  Major | . |
+| [HBASE-28211](https://issues.apache.org/jira/browse/HBASE-28211) | BucketCache.blocksByHFile may leak on allocationFailure or if we reach io errors tolerated |  Major | . |
+| [HBASE-28248](https://issues.apache.org/jira/browse/HBASE-28248) | Race between RegionRemoteProcedureBase and rollback operation could lead to ROLLEDBACK state be persisent to procedure store |  Critical | proc-v2, Region Assignment |
+| [HBASE-28224](https://issues.apache.org/jira/browse/HBASE-28224) | ClientSideRegionScanner appears not to shutdown MobFileCache |  Minor | Scanners |
+| [HBASE-28259](https://issues.apache.org/jira/browse/HBASE-28259) | Add  java.base/java.io=ALL-UNNAMED open to jdk11\_jvm\_flags |  Trivial | java |
+| [HBASE-28252](https://issues.apache.org/jira/browse/HBASE-28252) | Add sun.net.dns and sun.net.util to the JDK11+ module exports in the hbase script |  Major | scripts |
+| [HBASE-28247](https://issues.apache.org/jira/browse/HBASE-28247) | Add java.base/sun.net.dns and java.base/sun.net.util  export to jdk11 JVM test flags |  Minor | java |
+| [HBASE-28261](https://issues.apache.org/jira/browse/HBASE-28261) | Sync jvm11 module flags from hbase-surefire.jdk11.flags to bin/hbase |  Trivial | . |
+| [HBASE-28297](https://issues.apache.org/jira/browse/HBASE-28297) | IntegrationTestImportTsv fails with ArrayIndexOfOutBounds |  Major | integration tests, test |
+| [HBASE-28301](https://issues.apache.org/jira/browse/HBASE-28301) | IntegrationTestImportTsv fails with UnsupportedOperationException |  Minor | integration tests, test |
+| [HBASE-28287](https://issues.apache.org/jira/browse/HBASE-28287) | MOB HFiles are expired earlier than their reference data |  Major | mob |
+| [HBASE-28312](https://issues.apache.org/jira/browse/HBASE-28312) | The bad auth exception can not be passed to client rpc calls properly |  Major | Client, IPC/RPC |
+| [HBASE-28324](https://issues.apache.org/jira/browse/HBASE-28324) | TestRegionNormalizerWorkQueue#testTake is flaky |  Major | test |
+| [HBASE-28326](https://issues.apache.org/jira/browse/HBASE-28326) | All nightly jobs are failing |  Major | jenkins |
+| [HBASE-28345](https://issues.apache.org/jira/browse/HBASE-28345) | Close HBase connection on exit from HBase Shell |  Major | shell |
+| [HBASE-28204](https://issues.apache.org/jira/browse/HBASE-28204) | Region Canary can take lot more time If any region (except the first region) starts with delete markers |  Major | canary |
+| [HBASE-28353](https://issues.apache.org/jira/browse/HBASE-28353) | Close HBase connection on implicit exit from HBase shell |  Major | shell |
+| [HBASE-28311](https://issues.apache.org/jira/browse/HBASE-28311) | Few ITs (using MiniMRYarnCluster on hadoop-2) are failing due to NCDFE: com/sun/jersey/core/util/FeaturesAndProperties |  Major | integration tests, test |
+| [HBASE-28377](https://issues.apache.org/jira/browse/HBASE-28377) | Fallback to simple is broken for blocking rpc client |  Major | IPC/RPC |
+| [HBASE-28391](https://issues.apache.org/jira/browse/HBASE-28391) | Remove the need for ADMIN permissions for listDecommissionedRegionServers |  Major | Admin |
+| [HBASE-28314](https://issues.apache.org/jira/browse/HBASE-28314) | Enable maven-source-plugin for all modules |  Major | build |
+| [HBASE-28452](https://issues.apache.org/jira/browse/HBASE-28452) | Missing null check of rpcServer.scheduler.executor causes NPE with invalid value of hbase.client.default.rpc.codec |  Major | IPC/RPC |
+| [HBASE-28366](https://issues.apache.org/jira/browse/HBASE-28366) | Mis-order of SCP and regionServerReport results into region inconsistencies |  Major | . |
+| [HBASE-28481](https://issues.apache.org/jira/browse/HBASE-28481) | Prompting table already exists after failing to create table with many region replications |  Major | . |
+| [HBASE-28500](https://issues.apache.org/jira/browse/HBASE-28500) | Rest Java client library assumes stateless servers |  Major | REST |
+| [HBASE-28298](https://issues.apache.org/jira/browse/HBASE-28298) | HFilePrettyPrinter thrown NoSuchMethodError about MetricRegistry |  Major | HFile, UI |
+| [HBASE-28482](https://issues.apache.org/jira/browse/HBASE-28482) | Reverse scan with tags throws ArrayIndexOutOfBoundsException with DBE |  Major | HFile |
+| [HBASE-28405](https://issues.apache.org/jira/browse/HBASE-28405) | Region open procedure silently returns without notifying the parent proc |  Major | proc-v2, Region Assignment |
+| [HBASE-28533](https://issues.apache.org/jira/browse/HBASE-28533) | Split procedure rollback can leave parent region state in SPLITTING after completion |  Major | Region Assignment |
+| [HBASE-28567](https://issues.apache.org/jira/browse/HBASE-28567) | Race condition causes MetaRegionLocationCache to never set watcher to populate meta location |  Major | . |
+| [HBASE-28459](https://issues.apache.org/jira/browse/HBASE-28459) | HFileOutputFormat2 ClassCastException with s3 magic committer |  Major | . |
+| [HBASE-28575](https://issues.apache.org/jira/browse/HBASE-28575) | Always printing error log when snapshot table |  Minor | snapshots |
+| [HBASE-28598](https://issues.apache.org/jira/browse/HBASE-28598) | NPE for writer object access in AsyncFSWAL#closeWriter |  Major | wal |
+| [HBASE-28595](https://issues.apache.org/jira/browse/HBASE-28595) | Losing exception from scan RPC can lead to partial results |  Critical | regionserver, Scanners |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28254](https://issues.apache.org/jira/browse/HBASE-28254) | Flaky test: TestTableShell |  Major | flakies, integration tests |
+| [HBASE-28275](https://issues.apache.org/jira/browse/HBASE-28275) | [Flaky test] Fix 'test\_list\_decommissioned\_regionservers' in TestAdminShell2.java |  Minor | flakies, test |
+| [HBASE-28274](https://issues.apache.org/jira/browse/HBASE-28274) | Flaky test: TestFanOutOneBlockAsyncDFSOutput (Part 2) |  Major | flakies, integration tests, test |
+| [HBASE-28337](https://issues.apache.org/jira/browse/HBASE-28337) | Positive connection test in TestShadeSaslAuthenticationProvider runs with Kerberos instead of Shade authentication |  Major | . |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25336](https://issues.apache.org/jira/browse/HBASE-25336) | Use Address instead of InetSocketAddress in RpcClient implementation |  Major | Client, rpc |
+| [HBASE-20804](https://issues.apache.org/jira/browse/HBASE-20804) | Document and add tests for HBaseConfTool |  Major | documentation, tooling |
+| [HBASE-25058](https://issues.apache.org/jira/browse/HBASE-25058) | Export necessary modules when running under JDK11 |  Major | Performance, rpc |
+| [HBASE-28027](https://issues.apache.org/jira/browse/HBASE-28027) | Make TestClusterScopeQuotaThrottle run faster |  Major | Quotas, test |
+| [HBASE-28050](https://issues.apache.org/jira/browse/HBASE-28050) | RSProcedureDispatcher to fail-fast for krb auth failures |  Major | . |
+| [HBASE-24179](https://issues.apache.org/jira/browse/HBASE-24179) | Backport fix for "Netty SASL implementation does not wait for challenge response" to branch-2.x |  Major | netty |
+| [HBASE-28290](https://issues.apache.org/jira/browse/HBASE-28290) | Add 'TM' superscript to the index page title when generating javadoc |  Major | build, documentation |
+| [HBASE-28031](https://issues.apache.org/jira/browse/HBASE-28031) | TestClusterScopeQuotaThrottle is still failing with broken WAL writer |  Major | test |
+| [HBASE-28341](https://issues.apache.org/jira/browse/HBASE-28341) | [JDK17] Fix Failure TestLdapHttpServer |  Major | . |
+| [HBASE-28340](https://issues.apache.org/jira/browse/HBASE-28340) | Add trust/key store type to ZK TLS settings handled by HBase |  Major | Zookeeper |
+| [HBASE-28350](https://issues.apache.org/jira/browse/HBASE-28350) | [JDK17] Unable to run hbase-it tests with JDK 17 |  Major | . |
+| [HBASE-27990](https://issues.apache.org/jira/browse/HBASE-27990) | BucketCache causes ArithmeticException due to improper blockSize value checking |  Critical | BucketCache |
+| [HBASE-27993](https://issues.apache.org/jira/browse/HBASE-27993) | AbstractFSWAL causes ArithmeticException due to improper logRollSize value checking |  Critical | . |
+| [HBASE-27989](https://issues.apache.org/jira/browse/HBASE-27989) | ByteBuffAllocator causes ArithmeticException due to improper poolBufSize value checking |  Critical | BucketCache |
+| [HBASE-28586](https://issues.apache.org/jira/browse/HBASE-28586) | Backport HBASE-24791 Improve HFileOutputFormat2 to avoid always call getTableRelativePath method |  Major | . |
+| [HBASE-26048](https://issues.apache.org/jira/browse/HBASE-26048) | [JDK17] Replace the usage of deprecated API ThreadGroup.destroy() |  Major | proc-v2 |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27720](https://issues.apache.org/jira/browse/HBASE-27720) | TestClusterRestartFailover is flakey due to metrics assertion |  Minor | test |
+| [HBASE-27762](https://issues.apache.org/jira/browse/HBASE-27762) | Include EventType and ProcedureV2 pid in logging via MDC |  Major | . |
+| [HBASE-27863](https://issues.apache.org/jira/browse/HBASE-27863) | Add hadoop 3.3.5 check in our personality script |  Major | jenkins, scripts |
+| [HBASE-27864](https://issues.apache.org/jira/browse/HBASE-27864) | Reduce the Cardinality for TestFuzzyRowFilterEndToEndLarge |  Major | test |
+| [HBASE-27634](https://issues.apache.org/jira/browse/HBASE-27634) | Builds emit errors related to SBOM parsing |  Minor | build |
+| [HBASE-27880](https://issues.apache.org/jira/browse/HBASE-27880) | Bump requests from 2.28.1 to 2.31.0 in /dev-support/flaky-tests |  Major | dependabot, scripts, security |
+| [HBASE-27820](https://issues.apache.org/jira/browse/HBASE-27820) | HBase is not starting due to Jersey library conflicts with javax.ws.rs.api jar |  Major | dependencies |
+| [HBASE-27992](https://issues.apache.org/jira/browse/HBASE-27992) | Bump exec-maven-plugin to 3.1.0 |  Trivial | build |
+| [HBASE-28018](https://issues.apache.org/jira/browse/HBASE-28018) | Bump gitpython from 3.1.30 to 3.1.32 in /dev-support/flaky-tests |  Major | dependabot, scripts, security |
+| [HBASE-28022](https://issues.apache.org/jira/browse/HBASE-28022) | Remove netty 3 dependency in the pom file for hbase-endpoint |  Major | dependencies, pom, security |
+| [HBASE-28072](https://issues.apache.org/jira/browse/HBASE-28072) | Bump gitpython from 3.1.32 to 3.1.34 in /dev-support/flaky-tests |  Major | dependabot, scripts, security |
+| [HBASE-28074](https://issues.apache.org/jira/browse/HBASE-28074) | Bump gitpython from 3.1.34 to 3.1.35 in /dev-support/flaky-tests |  Major | dependabot, scripts, security |
+| [HBASE-28066](https://issues.apache.org/jira/browse/HBASE-28066) | Drop duplicate test class TestShellRSGroups.java |  Minor | test |
+| [HBASE-28087](https://issues.apache.org/jira/browse/HBASE-28087) | Add hadoop 3.3.6 in hadoopcheck |  Major | jenkins, scripts |
+| [HBASE-28089](https://issues.apache.org/jira/browse/HBASE-28089) | Upgrade BouncyCastle to fix CVE-2023-33201 |  Major | . |
+| [HBASE-28147](https://issues.apache.org/jira/browse/HBASE-28147) | Bump gitpython from 3.1.35 to 3.1.37 in /dev-support/flaky-tests |  Major | dependabot, scripts, security |
+| [HBASE-28110](https://issues.apache.org/jira/browse/HBASE-28110) | Align TestShadeSaslAuthenticationProvider between different branches |  Major | security, test |
+| [HBASE-28153](https://issues.apache.org/jira/browse/HBASE-28153) | Upgrade zookeeper to a newer version |  Major | security, Zookeeper |
+| [HBASE-28245](https://issues.apache.org/jira/browse/HBASE-28245) | Sync internal protobuf version for hbase to be same as hbase-thirdparty |  Major | . |
+| [HBASE-28243](https://issues.apache.org/jira/browse/HBASE-28243) |  Bump jackson version to 2.15.2 |  Major | . |
+| [HBASE-28308](https://issues.apache.org/jira/browse/HBASE-28308) | Bump gitpython from 3.1.37 to 3.1.41 in /dev-support/flaky-tests |  Major | dependabot, scripts, security, test |
+| [HBASE-28310](https://issues.apache.org/jira/browse/HBASE-28310) | Bump jinja2 from 3.1.2 to 3.1.3 in /dev-support/flaky-tests |  Major | dependabot, scripts, security, test |
+| [HBASE-28333](https://issues.apache.org/jira/browse/HBASE-28333) | Refactor TestClientTimeouts to make it more clear that what we want to test |  Major | Client, test |
+| [HBASE-28444](https://issues.apache.org/jira/browse/HBASE-28444) | Bump org.apache.zookeeper:zookeeper from 3.8.3 to 3.8.4 |  Blocker | security, Zookeeper |
+| [HBASE-28574](https://issues.apache.org/jira/browse/HBASE-28574) | Bump jinja2 from 3.1.3 to 3.1.4 in /dev-support/flaky-tests |  Major | dependabot, scripts, security |
+
+
+## Release 2.4.17 - Unreleased (as of 2023-03-31)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27590](https://issues.apache.org/jira/browse/HBASE-27590) | Change Iterable to List in SnapshotFileCache |  Minor | . |
+| [HBASE-21521](https://issues.apache.org/jira/browse/HBASE-21521) | Expose master startup status via web UI |  Major | master, UI |
+| [HBASE-15242](https://issues.apache.org/jira/browse/HBASE-15242) | Client metrics for retries and timeouts |  Major | metrics |
+| [HBASE-27458](https://issues.apache.org/jira/browse/HBASE-27458) | Use ReadWriteLock for region scanner readpoint map |  Minor | Scanners |
+| [HBASE-27670](https://issues.apache.org/jira/browse/HBASE-27670) | Improve FSUtils to directly obtain FSDataOutputStream |  Major | Filesystem Integration |
+| [HBASE-27710](https://issues.apache.org/jira/browse/HBASE-27710) | ByteBuff ref counting is too expensive for on-heap buffers |  Major | . |
+| [HBASE-27646](https://issues.apache.org/jira/browse/HBASE-27646) | Should not use pread when prefetching in HFilePreadReader |  Minor | Performance |
+| [HBASE-27676](https://issues.apache.org/jira/browse/HBASE-27676) | Scan handlers in the RPC executor should match at least one scan queues |  Major | . |
+| [HBASE-26526](https://issues.apache.org/jira/browse/HBASE-26526) | Introduce a timeout to shutdown of WAL |  Major | wal |
+| [HBASE-27758](https://issues.apache.org/jira/browse/HBASE-27758) | Inconsistent synchronization in MetricsUserSourceImpl |  Major | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27608](https://issues.apache.org/jira/browse/HBASE-27608) | Use lowercase image reference name in our docker file |  Major | scripts |
+| [HBASE-27580](https://issues.apache.org/jira/browse/HBASE-27580) | Reverse scan over rows with tags throw exceptions when using DataBlockEncoding |  Major | . |
+| [HBASE-27628](https://issues.apache.org/jira/browse/HBASE-27628) | Spotless fix in RELEASENOTES.md |  Trivial | . |
+| [HBASE-27621](https://issues.apache.org/jira/browse/HBASE-27621) | Also clear the Dictionary when resetting when reading compressed WAL file |  Critical | Replication, wal |
+| [HBASE-27602](https://issues.apache.org/jira/browse/HBASE-27602) | Remove the impact of operating env on testHFileCleaning |  Major | test |
+| [HBASE-27648](https://issues.apache.org/jira/browse/HBASE-27648) | CopyOnWriteArrayMap does not honor contract of ConcurrentMap.putIfAbsent |  Major | . |
+| [HBASE-27636](https://issues.apache.org/jira/browse/HBASE-27636) | The "CREATE\_TIME\_TS" value of the hfile generated by the HFileOutputFormat2 class is 0 |  Major | HFile, mapreduce |
+| [HBASE-27661](https://issues.apache.org/jira/browse/HBASE-27661) | Set size of systable queue in UT |  Major | . |
+| [HBASE-27644](https://issues.apache.org/jira/browse/HBASE-27644) | Should not return false when WALKey has no following KVs while reading WAL file |  Critical | dataloss, wal |
+| [HBASE-27668](https://issues.apache.org/jira/browse/HBASE-27668) | PB's parseDelimitedFrom can successfully return when there are not enough bytes |  Critical | Protobufs, wal |
+| [HBASE-27650](https://issues.apache.org/jira/browse/HBASE-27650) | Merging empty regions corrupts meta cache |  Major | . |
+| [HBASE-24781](https://issues.apache.org/jira/browse/HBASE-24781) | Clean up peer metrics when disabling peer |  Major | Replication |
+| [HBASE-27688](https://issues.apache.org/jira/browse/HBASE-27688) | HFile splitting occurs during bulkload, the CREATE\_TIME\_TS of hfileinfo is 0 |  Major | HFile |
+| [HBASE-27714](https://issues.apache.org/jira/browse/HBASE-27714) | WALEntryStreamTestBase creates a new HBTU in startCluster method which causes all sub classes are testing default configurations |  Major | Replication, test |
+| [HBASE-27718](https://issues.apache.org/jira/browse/HBASE-27718) | The regionStateNode only need remove once in regionOffline |  Minor | amv2 |
+| [HBASE-27651](https://issues.apache.org/jira/browse/HBASE-27651) | hbase-daemon.sh foreground\_start should propagate SIGHUP and SIGTERM |  Minor | scripts |
+| [HBASE-27671](https://issues.apache.org/jira/browse/HBASE-27671) | Client should not be able to restore/clone a snapshot after it's TTL has expired |  Minor | . |
+| [HBASE-27684](https://issues.apache.org/jira/browse/HBASE-27684) | Client metrics for user region lock related behaviors. |  Major | Client |
+| [HBASE-26866](https://issues.apache.org/jira/browse/HBASE-26866) | Shutdown WAL may abort region server |  Major | wal |
+| [HBASE-27732](https://issues.apache.org/jira/browse/HBASE-27732) | NPE in TestBasicWALEntryStreamFSHLog.testEOFExceptionInOldWALsDirectory |  Major | Replication |
+| [HBASE-27726](https://issues.apache.org/jira/browse/HBASE-27726) | ruby shell not handled SyntaxError exceptions properly |  Minor | shell |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27627](https://issues.apache.org/jira/browse/HBASE-27627) | Backport HBASE-25899 to branch-2.4 |  Major | . |
+| [HBASE-27629](https://issues.apache.org/jira/browse/HBASE-27629) | Backport HBASE-27043 to branch-2.4 |  Major | . |
+| [HBASE-27645](https://issues.apache.org/jira/browse/HBASE-27645) | [JDK17] Use ReflectionUtils#getModifiersField in UT |  Major | java, test |
+| [HBASE-27643](https://issues.apache.org/jira/browse/HBASE-27643) | [JDK17] Add-opens java.util.concurrent |  Major | java, test |
+| [HBASE-27669](https://issues.apache.org/jira/browse/HBASE-27669) | chaos-daemon.sh should make use hbase script start/stop chaosagent and chaos monkey runner. |  Major | . |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27736](https://issues.apache.org/jira/browse/HBASE-27736) | HFileSystem.getLocalFs is not used |  Major | HFile |
+| [HBASE-27626](https://issues.apache.org/jira/browse/HBASE-27626) | Suppress noisy logging in client.ConnectionImplementation |  Minor | logging |
+| [HBASE-27685](https://issues.apache.org/jira/browse/HBASE-27685) | Enable code coverage reporting to SonarQube in HBase |  Minor | . |
+| [HBASE-27741](https://issues.apache.org/jira/browse/HBASE-27741) | Fall back to protoc osx-x86\_64 on Apple Silicon |  Minor | build |
+| [HBASE-27748](https://issues.apache.org/jira/browse/HBASE-27748) | Bump jettison from 1.5.2 to 1.5.4 |  Major | dependabot, dependencies, security |
+
+
+## Release 2.4.16 - Unreleased (as of 2023-02-01)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27159](https://issues.apache.org/jira/browse/HBASE-27159) | Emit source metrics for BlockCacheExpressHitPercent |  Minor | BlockCache, metrics |
+| [HBASE-27450](https://issues.apache.org/jira/browse/HBASE-27450) | Update all our python scripts to use python3 |  Major | scripts |
+| [HBASE-27414](https://issues.apache.org/jira/browse/HBASE-27414) | Search order for locations in  HFileLink |  Minor | Performance |
+| [HBASE-27506](https://issues.apache.org/jira/browse/HBASE-27506) | Optionally disable sorting directories by size in CleanerChore |  Minor | . |
+| [HBASE-26320](https://issues.apache.org/jira/browse/HBASE-26320) | Separate Log Cleaner DirScanPool to prevent the OLDWALs from filling up the disk when archive is large |  Major | Operability |
+| [HBASE-27503](https://issues.apache.org/jira/browse/HBASE-27503) | Support replace \<FILE-PATH\> in GC\_OPTS for ZGC |  Minor | scripts |
+| [HBASE-27512](https://issues.apache.org/jira/browse/HBASE-27512) | Add file \`.git-blame-ignore-revs\` for \`git blame\` |  Trivial | . |
+| [HBASE-27487](https://issues.apache.org/jira/browse/HBASE-27487) | Slow meta can create pathological feedback loop with multigets |  Major | . |
+| [HBASE-22924](https://issues.apache.org/jira/browse/HBASE-22924) | GitHUB PR job should use when clause to filter to just PRs. |  Minor | build, community |
+| [HBASE-27491](https://issues.apache.org/jira/browse/HBASE-27491) | AsyncProcess should not clear meta cache for RejectedExecutionException |  Major | . |
+| [HBASE-27459](https://issues.apache.org/jira/browse/HBASE-27459) | Improve our hbase\_docker to be able to build and start standalone clusters other than master branch |  Major | scripts |
+| [HBASE-27530](https://issues.apache.org/jira/browse/HBASE-27530) | Fix comment syntax errors |  Trivial | documentation |
+| [HBASE-27540](https://issues.apache.org/jira/browse/HBASE-27540) | Client metrics for success/failure counts. |  Major | Client |
+| [HBASE-27565](https://issues.apache.org/jira/browse/HBASE-27565) | Make the initial corePoolSize configurable for ChoreService |  Major | conf |
+| [HBASE-27529](https://issues.apache.org/jira/browse/HBASE-27529) | Provide RS coproc ability to attach WAL extended attributes to mutations at replication sink |  Major | Coprocessors, Replication |
+| [HBASE-27562](https://issues.apache.org/jira/browse/HBASE-27562) | Publish SBOM artifacts |  Major | java |
+| [HBASE-27583](https://issues.apache.org/jira/browse/HBASE-27583) | Remove -X option when building protoc check in nightly and pre commit job |  Major | jenkins, scripts |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27426](https://issues.apache.org/jira/browse/HBASE-27426) | Region server abort with failing to list region servers. |  Major | Zookeeper |
+| [HBASE-27440](https://issues.apache.org/jira/browse/HBASE-27440) | metrics method removeHistogramMetrics trigger serious memory leak |  Major | metrics, regionserver |
+| [HBASE-25983](https://issues.apache.org/jira/browse/HBASE-25983) | javadoc generation fails on openjdk-11.0.11+9 |  Major | documentation, pom |
+| [HBASE-27446](https://issues.apache.org/jira/browse/HBASE-27446) | Spotbugs 4.7.2 report a lot of logging errors when generating report |  Major | build, jenkins, scripts |
+| [HBASE-27437](https://issues.apache.org/jira/browse/HBASE-27437) | TestHeapSize is flaky |  Major | test |
+| [HBASE-27472](https://issues.apache.org/jira/browse/HBASE-27472) | The personality script set wrong hadoop2 check version for branch-2 |  Major | jenkins, scripts |
+| [HBASE-27473](https://issues.apache.org/jira/browse/HBASE-27473) | Fix spotbugs warnings in hbase-rest Client.getResponseBody |  Major | REST |
+| [HBASE-27480](https://issues.apache.org/jira/browse/HBASE-27480) | Skip error prone for hadoop2/3 checkes in our nightly jobs |  Major | jenkins, scripts |
+| [HBASE-27469](https://issues.apache.org/jira/browse/HBASE-27469) | IllegalArgumentException is thrown by SnapshotScannerHDFSAclController when dropping a table |  Major | snapshots |
+| [HBASE-27001](https://issues.apache.org/jira/browse/HBASE-27001) | The deleted variable cannot be printed out |  Minor | . |
+| [HBASE-27379](https://issues.apache.org/jira/browse/HBASE-27379) | numOpenConnections metric is one less than the actual |  Minor | metrics |
+| [HBASE-27423](https://issues.apache.org/jira/browse/HBASE-27423) | Upgrade hbase-thirdparty to 4.1.3 and upgrade Jackson for CVE-2022-42003/42004 |  Major | security |
+| [HBASE-27464](https://issues.apache.org/jira/browse/HBASE-27464) | In memory compaction 'COMPACT' may cause data corruption when adding cells large than maxAlloc(default 256k) size |  Critical | in-memory-compaction |
+| [HBASE-27445](https://issues.apache.org/jira/browse/HBASE-27445) | result of DirectMemoryUtils#getDirectMemorySize may be wrong |  Minor | UI |
+| [HBASE-27504](https://issues.apache.org/jira/browse/HBASE-27504) | Remove duplicated config 'hbase.normalizer.merge.min\_region\_age.days' in hbase-default.xml |  Minor | conf |
+| [HBASE-27463](https://issues.apache.org/jira/browse/HBASE-27463) | Reset sizeOfLogQueue when refresh replication source |  Minor | Replication |
+| [HBASE-27484](https://issues.apache.org/jira/browse/HBASE-27484) | FNFE on StoreFileScanner after a flush followed by a compaction |  Major | . |
+| [HBASE-27494](https://issues.apache.org/jira/browse/HBASE-27494) | Client meta cache clear by exception metrics are missing some cases |  Minor | . |
+| [HBASE-27519](https://issues.apache.org/jira/browse/HBASE-27519) | Another case for FNFE on StoreFileScanner after a flush followed by a compaction |  Major | . |
+| [HBASE-27498](https://issues.apache.org/jira/browse/HBASE-27498) | Observed lot of threads blocked in ConnectionImplementation.getKeepAliveMasterService |  Major | Client |
+| [HBASE-27524](https://issues.apache.org/jira/browse/HBASE-27524) | Fix python requirements problem |  Major | scripts, security |
+| [HBASE-27566](https://issues.apache.org/jira/browse/HBASE-27566) | Bump gitpython from 3.1.29 to 3.1.30 in /dev-support |  Major | scripts, security |
+| [HBASE-27560](https://issues.apache.org/jira/browse/HBASE-27560) | CatalogJanitor consistencyCheck cannot report the hole on last region if next table is disabled in meta |  Minor | hbck2 |
+| [HBASE-27563](https://issues.apache.org/jira/browse/HBASE-27563) | ChaosMonkey sometimes generates invalid boundaries for random item selection |  Minor | integration tests |
+| [HBASE-27561](https://issues.apache.org/jira/browse/HBASE-27561) | hbase.master.port is ignored in processing of hbase.masters |  Minor | Client |
+| [HBASE-27564](https://issues.apache.org/jira/browse/HBASE-27564) | Add default encryption type for MiniKDC to fix failed tests on JDK11+ |  Major | . |
+| [HBASE-27579](https://issues.apache.org/jira/browse/HBASE-27579) | CatalogJanitor can cause data loss due to errors during cleanMergeRegion |  Blocker | . |
+| [HBASE-27589](https://issues.apache.org/jira/browse/HBASE-27589) | Rename TestConnectionImplementation in hbase-it to fix javadoc failure |  Blocker | Client, documentation |
+| [HBASE-27586](https://issues.apache.org/jira/browse/HBASE-27586) | Bump up commons-codec to 1.15 |  Major | dependencies, security |
+| [HBASE-27547](https://issues.apache.org/jira/browse/HBASE-27547) | Close store file readers after region warmup |  Major | regionserver |
+| [HBASE-26967](https://issues.apache.org/jira/browse/HBASE-26967) | FilterList with FuzzyRowFilter and SingleColumnValueFilter evaluated with operator MUST\_PASS\_ONE doesn't work as expected |  Critical | Filters |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27479](https://issues.apache.org/jira/browse/HBASE-27479) | Flaky Test testClone in TestTaskMonitor |  Trivial | test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27475](https://issues.apache.org/jira/browse/HBASE-27475) | Use different jdks when running hadoopcheck in personality scripts |  Critical | jenkins, scripts |
+| [HBASE-27556](https://issues.apache.org/jira/browse/HBASE-27556) | Backport HBASE-23340 to branch-2.4 |  Major | . |
+| [HBASE-27557](https://issues.apache.org/jira/browse/HBASE-27557) | [JDK17] Update shade plugin version |  Minor | . |
+| [HBASE-25516](https://issues.apache.org/jira/browse/HBASE-25516) | [JDK17] reflective access Field.class.getDeclaredField("modifiers") not supported |  Major | Filesystem Integration |
+| [HBASE-27591](https://issues.apache.org/jira/browse/HBASE-27591) | [JDK17] Fix failure TestImmutableScan#testScanCopyConstructor |  Minor | . |
+| [HBASE-27581](https://issues.apache.org/jira/browse/HBASE-27581) | [JDK17] Fix failure TestHBaseTestingUtil#testResolvePortConflict |  Minor | test |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27431](https://issues.apache.org/jira/browse/HBASE-27431) | Remove TestRemoteTable.testLimitedScan |  Trivial | REST, test |
+| [HBASE-27425](https://issues.apache.org/jira/browse/HBASE-27425) | Run flaky test job more often |  Minor | test |
+| [HBASE-27441](https://issues.apache.org/jira/browse/HBASE-27441) | Use jdk 11.0.16 instead of 11.0.16.1 for branch-2.4 |  Major | build, scripts |
+| [HBASE-27460](https://issues.apache.org/jira/browse/HBASE-27460) | Fix the hadolint errors after HBASE-27456 |  Major | scripts |
+| [HBASE-27443](https://issues.apache.org/jira/browse/HBASE-27443) | Use java11 in the general check of our jenkins job |  Major | build, jenkins |
+| [HBASE-27513](https://issues.apache.org/jira/browse/HBASE-27513) | Modify README.txt to mention how to contribue |  Major | community |
+| [HBASE-27548](https://issues.apache.org/jira/browse/HBASE-27548) | Bump jettison from 1.5.1 to 1.5.2 |  Major | dependabot, dependencies, security |
+| [HBASE-27567](https://issues.apache.org/jira/browse/HBASE-27567) | Introduce ChaosMonkey Action to print HDFS Cluster status |  Minor | integration tests |
+| [HBASE-27568](https://issues.apache.org/jira/browse/HBASE-27568) | ChaosMonkey add support for JournalNodes |  Major | integration tests |
+| [HBASE-27575](https://issues.apache.org/jira/browse/HBASE-27575) | Bump future from 0.18.2 to 0.18.3 in /dev-support |  Minor | . |
+| [HBASE-27578](https://issues.apache.org/jira/browse/HBASE-27578) | Upgrade hbase-thirdparty to 4.1.4 |  Blocker | dependencies, security |
+| [HBASE-27456](https://issues.apache.org/jira/browse/HBASE-27456) | Upgrade the dockerfile used in nightly and pre commit to ubuntu 22.04 |  Major | jenkins, scripts |
+
+
+## Release 2.4.15 - 2022-10-21
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27339](https://issues.apache.org/jira/browse/HBASE-27339) | Improve sasl connection failure log message to include server |  Minor | Client |
+| [HBASE-27365](https://issues.apache.org/jira/browse/HBASE-27365) | Minimise block addition failures due to no space in bucket cache writers queue by introducing wait time |  Major | BucketCache |
+| [HBASE-27391](https://issues.apache.org/jira/browse/HBASE-27391) | Downgrade ERROR log to DEBUG in ConnectionUtils.updateStats |  Major | . |
+| [HBASE-27370](https://issues.apache.org/jira/browse/HBASE-27370) | Avoid decompressing blocks when reading from bucket cache prefetch threads |  Major | . |
+| [HBASE-27332](https://issues.apache.org/jira/browse/HBASE-27332) | Remove RejectedExecutionHandler for long/short compaction thread pools |  Minor | Compaction |
+| [HBASE-27320](https://issues.apache.org/jira/browse/HBASE-27320) | hide some sensitive configuration information in the UI |  Minor | security, UI |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27420](https://issues.apache.org/jira/browse/HBASE-27420) | Failure while connecting to zk if HBase is running in standalone mode in a container |  Minor | Zookeeper |
+| [HBASE-27424](https://issues.apache.org/jira/browse/HBASE-27424) | Upgrade Jettison for CVE-2022-40149/40150 |  Major | . |
+| [HBASE-27419](https://issues.apache.org/jira/browse/HBASE-27419) | Update to hbase-thirdparty 4.1.2 |  Major | dependencies |
+| [HBASE-27407](https://issues.apache.org/jira/browse/HBASE-27407) | Fixing check for "description" request param in JMXJsonServlet.java |  Minor | metrics |
+| [HBASE-27381](https://issues.apache.org/jira/browse/HBASE-27381) | Still seeing 'Stuck' in static initialization creating RegionInfo instance |  Major | . |
+| [HBASE-27393](https://issues.apache.org/jira/browse/HBASE-27393) | Frequent and not useful "Final timeLimitDelta" log lines |  Major | . |
+| [HBASE-27368](https://issues.apache.org/jira/browse/HBASE-27368) | Do not need to throw IllegalStateException when peer is not active in ReplicationSource.initialize |  Major | regionserver, Replication |
+| [HBASE-27362](https://issues.apache.org/jira/browse/HBASE-27362) | Fix some tests hung by CompactSplit.requestCompactionInternal ignoring compactionsEnabled check |  Major | Compaction |
+| [HBASE-22939](https://issues.apache.org/jira/browse/HBASE-22939) | SpaceQuotas- Bulkload from different hdfs failed when space quotas are turned on. |  Major | . |
+| [HBASE-27335](https://issues.apache.org/jira/browse/HBASE-27335) | HBase shell hang for a minute when quiting |  Major | shell |
+| [HBASE-25922](https://issues.apache.org/jira/browse/HBASE-25922) | Disabled sanity checks ignored on snapshot restore |  Minor | conf, snapshots |
+| [HBASE-27246](https://issues.apache.org/jira/browse/HBASE-27246) | RSGroupMappingScript#getRSGroup has thread safety problem |  Major | rsgroup |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27421](https://issues.apache.org/jira/browse/HBASE-27421) | Bump spotless plugin to 2.27.2 and reimplement the 'Remove unhelpful javadoc stubs' rule |  Major | documentation, pom |
+| [HBASE-27401](https://issues.apache.org/jira/browse/HBASE-27401) | Clean up current broken 'n's in our javadoc |  Major | documentation |
+| [HBASE-27403](https://issues.apache.org/jira/browse/HBASE-27403) | Remove 'Remove unhelpful javadoc stubs' spotless rule for now |  Major | documentation, pom |
+| [HBASE-27384](https://issues.apache.org/jira/browse/HBASE-27384) | Backport  HBASE-27064 to branch 2.4 |  Minor | Normalizer |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27411](https://issues.apache.org/jira/browse/HBASE-27411) |  Update and clean up bcprov-jdk15on dependency |  Minor | build |
+| [HBASE-27372](https://issues.apache.org/jira/browse/HBASE-27372) | Update java versions in our Dockerfiles |  Major | build, scripts |
+| [HBASE-27373](https://issues.apache.org/jira/browse/HBASE-27373) | Fix new spotbugs warnings after upgrading spotbugs to 4.7.2 |  Major | . |
+| [HBASE-27371](https://issues.apache.org/jira/browse/HBASE-27371) | Bump spotbugs version |  Major | build, pom |
+
+
+## Release 2.4.14 - Unreleased (as of 2022-08-23)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27089](https://issues.apache.org/jira/browse/HBASE-27089) | Add “commons.crypto.stream.buffer.size” configuration |  Minor | io |
+| [HBASE-27268](https://issues.apache.org/jira/browse/HBASE-27268) | In trace log mode, the client does not print callId/startTime and the server does not print receiveTime |  Minor | logging |
+| [HBASE-27296](https://issues.apache.org/jira/browse/HBASE-27296) | Some Cell's implementation of toString() such as IndividualBytesFieldCell prints out value and tags which is too verbose |  Minor | logging |
+| [HBASE-27273](https://issues.apache.org/jira/browse/HBASE-27273) | Should stop autoRead and skip all the bytes when rpc request too big |  Major | IPC/RPC |
+| [HBASE-27257](https://issues.apache.org/jira/browse/HBASE-27257) | Remove unnecessary usage of CachedBlocksByFile from RS UI |  Major | . |
+| [HBASE-27225](https://issues.apache.org/jira/browse/HBASE-27225) | Add BucketAllocator bucket size statistic logging |  Major | . |
+| [HBASE-27208](https://issues.apache.org/jira/browse/HBASE-27208) | Use spotless to purge the missing summary warnings from error prone |  Major | pom |
+| [HBASE-27048](https://issues.apache.org/jira/browse/HBASE-27048) | Server side scanner time limit should account for time in queue |  Major | . |
+| [HBASE-27188](https://issues.apache.org/jira/browse/HBASE-27188) | Report maxStoreFileCount in jmx |  Minor | . |
+| [HBASE-27186](https://issues.apache.org/jira/browse/HBASE-27186) | Report block cache size metrics separately for L1 and L2 |  Minor | . |
+| [HBASE-26218](https://issues.apache.org/jira/browse/HBASE-26218) | Better logging in CanaryTool |  Minor | canary |
+| [HBASE-27060](https://issues.apache.org/jira/browse/HBASE-27060) | Allow sharing connections between AggregationClient instances |  Major | . |
+| [HBASE-27146](https://issues.apache.org/jira/browse/HBASE-27146) | Avoid CellUtil.cloneRow in MetaCellComparator |  Major | meta, Offheaping, Performance |
+| [HBASE-26945](https://issues.apache.org/jira/browse/HBASE-26945) | Quotas causes too much load on meta for large clusters |  Minor | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27292](https://issues.apache.org/jira/browse/HBASE-27292) | Fix build failure against Hadoop 3.3.4 due to added dependency on okhttp |  Major | build, hadoop3, pom |
+| [HBASE-27244](https://issues.apache.org/jira/browse/HBASE-27244) | bin/hbase still use slf4j-log4j while reload4j in place |  Major | shell |
+| [HBASE-27275](https://issues.apache.org/jira/browse/HBASE-27275) | graceful\_stop.sh unable to restore the balance state |  Blocker | regionserver |
+| [HBASE-27282](https://issues.apache.org/jira/browse/HBASE-27282) | CME in AuthManager causes region server crash |  Major | acl |
+| [HBASE-26775](https://issues.apache.org/jira/browse/HBASE-26775) | TestProcedureSchedulerConcurrency fails in pre commit |  Major | proc-v2, test |
+| [HBASE-27269](https://issues.apache.org/jira/browse/HBASE-27269) | The implementation of TestReplicationStatus.waitOnMetricsReport is incorrect |  Major | Replication, test |
+| [HBASE-27271](https://issues.apache.org/jira/browse/HBASE-27271) | BufferCallBeforeInitHandler should ignore the flush request |  Major | IPC/RPC |
+| [HBASE-27251](https://issues.apache.org/jira/browse/HBASE-27251) | Rolling back from 2.5.0-SNAPSHOT to 2.4.13 fails due to \`File does not exist: /hbase/MasterData/data/master/store/.initialized/.regioninfo\` |  Critical | master |
+| [HBASE-27087](https://issues.apache.org/jira/browse/HBASE-27087) | TestQuotaThrottle times out |  Major | test |
+| [HBASE-27239](https://issues.apache.org/jira/browse/HBASE-27239) | Upgrade reload4j due to XXE vulnerability |  Major | . |
+| [HBASE-27204](https://issues.apache.org/jira/browse/HBASE-27204) | BlockingRpcClient will hang for 20 seconds when SASL is enabled after finishing negotiation |  Critical | rpc, sasl, security |
+| [HBASE-27219](https://issues.apache.org/jira/browse/HBASE-27219) | Change JONI encoding in RegexStringComparator |  Minor | Filters |
+| [HBASE-27205](https://issues.apache.org/jira/browse/HBASE-27205) | Fix tests that rely on EnvironmentEdgeManager in branch-2.4 |  Minor | . |
+| [HBASE-27211](https://issues.apache.org/jira/browse/HBASE-27211) | Data race in MonitoredTaskImpl could cause split wal failure |  Critical | monitoring, wal |
+| [HBASE-27053](https://issues.apache.org/jira/browse/HBASE-27053) | IOException during caching of uncompressed block to the block cache. |  Major | BlockCache |
+| [HBASE-27192](https://issues.apache.org/jira/browse/HBASE-27192) | The retry number for TestSeparateClientZKCluster is too small |  Major | test, Zookeeper |
+| [HBASE-27193](https://issues.apache.org/jira/browse/HBASE-27193) | TestZooKeeper is flaky |  Major | test, Zookeeper |
+| [HBASE-27097](https://issues.apache.org/jira/browse/HBASE-27097) | SimpleRpcServer is broken |  Blocker | rpc |
+| [HBASE-27189](https://issues.apache.org/jira/browse/HBASE-27189) | NettyServerRpcConnection is not properly closed when the netty channel is closed |  Blocker | netty, rpc |
+| [HBASE-27169](https://issues.apache.org/jira/browse/HBASE-27169) | TestSeparateClientZKCluster is flaky |  Major | test |
+| [HBASE-27180](https://issues.apache.org/jira/browse/HBASE-27180) | Multiple possible buffer leaks |  Major | netty, regionserver |
+| [HBASE-26708](https://issues.apache.org/jira/browse/HBASE-26708) | Netty "leak detected" and OutOfDirectMemoryError due to direct memory buffering with SASL implementation |  Blocker | netty, rpc, sasl |
+| [HBASE-27171](https://issues.apache.org/jira/browse/HBASE-27171) | Fix Annotation Error in HRegionFileSystem |  Trivial | . |
+| [HBASE-27170](https://issues.apache.org/jira/browse/HBASE-27170) | ByteBuffAllocator leak when decompressing blocks near minSizeForReservoirUse |  Major | . |
+| [HBASE-27160](https://issues.apache.org/jira/browse/HBASE-27160) | ClientZKSyncer.deleteDataForClientZkUntilSuccess should break from the loop when deletion is succeeded |  Major | Client, Zookeeper |
+| [HBASE-26790](https://issues.apache.org/jira/browse/HBASE-26790) | getAllRegionLocations can cache locations with null hostname |  Major | . |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27161](https://issues.apache.org/jira/browse/HBASE-27161) | Improve TestMultiRespectsLimits |  Minor | test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27301](https://issues.apache.org/jira/browse/HBASE-27301) | Add Delete addFamilyVersion  timestamp verify |  Minor | Client |
+| [HBASE-27293](https://issues.apache.org/jira/browse/HBASE-27293) | Remove jenkins and personality scripts support for 1.x |  Major | scripts |
+| [HBASE-27220](https://issues.apache.org/jira/browse/HBASE-27220) | Apply the spotless format change in HBASE-27208 to our code base |  Major | . |
+| [HBASE-23330](https://issues.apache.org/jira/browse/HBASE-23330) |   Expose cluster ID for clients using it for delegation token based auth |  Major | Client, master |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27294](https://issues.apache.org/jira/browse/HBASE-27294) | Add new hadoop releases in our hadoop checks |  Major | scripts |
+| [HBASE-27221](https://issues.apache.org/jira/browse/HBASE-27221) | Bump spotless version to 2.24.1 |  Major | build, pom |
+| [HBASE-27281](https://issues.apache.org/jira/browse/HBASE-27281) | Add default implementation for Connection$getClusterId |  Critical | Client |
+| [HBASE-27175](https://issues.apache.org/jira/browse/HBASE-27175) | Failure to cleanup WAL split dir log should be at INFO level |  Minor | . |
+
+
+## Release 2.4.13 - Unreleased (as of 2022-06-23)
+
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27018](https://issues.apache.org/jira/browse/HBASE-27018) | Add a tool command list\_liveservers |  Major | . |
+| [HBASE-26617](https://issues.apache.org/jira/browse/HBASE-26617) | Use spotless to reduce the pain on fixing checkstyle issues |  Major | build, community |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26923](https://issues.apache.org/jira/browse/HBASE-26923) | PerformanceEvaluation support encryption option |  Minor | PE |
+| [HBASE-27095](https://issues.apache.org/jira/browse/HBASE-27095) | HbckChore should produce a report |  Major | hbck2, master |
+| [HBASE-27046](https://issues.apache.org/jira/browse/HBASE-27046) | The filenum in AbstractFSWAL should be monotone increasing |  Major | . |
+| [HBASE-27093](https://issues.apache.org/jira/browse/HBASE-27093) | AsyncNonMetaRegionLocator:put Complete CompletableFuture outside lock block |  Major | asyncclient, Client |
+| [HBASE-27080](https://issues.apache.org/jira/browse/HBASE-27080) | Optimize debug output log of ConstantSizeRegionSplitPolicy class. |  Minor | logging |
+| [HBASE-26649](https://issues.apache.org/jira/browse/HBASE-26649) | Support meta replica LoadBalance mode for RegionLocator#getAllRegionLocations() |  Major | meta replicas |
+| [HBASE-25465](https://issues.apache.org/jira/browse/HBASE-25465) | Use javac --release option for supporting cross version compilation |  Minor | create-release |
+| [HBASE-27003](https://issues.apache.org/jira/browse/HBASE-27003) | Optimize log format for PerformanceEvaluation |  Minor | . |
+| [HBASE-26990](https://issues.apache.org/jira/browse/HBASE-26990) | Add default implementation for BufferedMutator interface setters |  Minor | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27151](https://issues.apache.org/jira/browse/HBASE-27151) | TestMultiRespectsLimits.testBlockMultiLimits repeatable failure |  Major | . |
+| [HBASE-27143](https://issues.apache.org/jira/browse/HBASE-27143) | Add hbase-unsafe as a dependency for a MR job triggered by hbase shell |  Major | integration tests, mapreduce |
+| [HBASE-27099](https://issues.apache.org/jira/browse/HBASE-27099) | In the HFileBlock class, the log printing fspread/fsread cost time unit should be milliseconds |  Minor | HFile |
+| [HBASE-27128](https://issues.apache.org/jira/browse/HBASE-27128) | when open archiveRetries totalLogSize calculation mistake |  Minor | wal |
+| [HBASE-27117](https://issues.apache.org/jira/browse/HBASE-27117) | Update the method comments for RegionServerAccounting |  Minor | . |
+| [HBASE-27038](https://issues.apache.org/jira/browse/HBASE-27038) | CellComparator should extend Serializable |  Minor | . |
+| [HBASE-26985](https://issues.apache.org/jira/browse/HBASE-26985) | SecureBulkLoadManager will set wrong permission if umask too strict |  Major | regionserver |
+| [HBASE-27079](https://issues.apache.org/jira/browse/HBASE-27079) | Lower some DEBUG level logs in ReplicationSourceWALReader to TRACE |  Minor | . |
+| [HBASE-27030](https://issues.apache.org/jira/browse/HBASE-27030) | Fix undefined local variable error in draining\_servers.rb |  Major | jruby, shell |
+| [HBASE-27047](https://issues.apache.org/jira/browse/HBASE-27047) | Fix typo for metric drainingRegionServers |  Minor | metrics |
+| [HBASE-27027](https://issues.apache.org/jira/browse/HBASE-27027) | Deprecated jetty SslContextFactory cause HMaster startup failure due to multiple certificates in KeyStores |  Major | security |
+| [HBASE-27032](https://issues.apache.org/jira/browse/HBASE-27032) | The draining region servers metric description is incorrect |  Minor | . |
+| [HBASE-26994](https://issues.apache.org/jira/browse/HBASE-26994) | MasterFileSystem create directory without permission check |  Major | master |
+| [HBASE-26963](https://issues.apache.org/jira/browse/HBASE-26963) | ReplicationSource#removePeer hangs if we try to remove bad peer. |  Major | regionserver, Replication |
+| [HBASE-27000](https://issues.apache.org/jira/browse/HBASE-27000) | Block cache stats (Misses Caching) display error in RS web UI |  Major | . |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27051](https://issues.apache.org/jira/browse/HBASE-27051) | TestReplicationSource.testReplicationSourceInitializingMetric is flaky |  Minor | test |
+| [HBASE-27039](https://issues.apache.org/jira/browse/HBASE-27039) | Some methods of MasterRegion should be annotated for testing only |  Minor | master |
+| [HBASE-27054](https://issues.apache.org/jira/browse/HBASE-27054) | TestStochasticLoadBalancerRegionReplicaLargeCluster.testRegionReplicasOnLargeCluster is flaky |  Major | test |
+| [HBASE-27050](https://issues.apache.org/jira/browse/HBASE-27050) | Support unit test pattern matching again |  Minor | test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26933](https://issues.apache.org/jira/browse/HBASE-26933) | Remove all ref guide stuff on branch other than master |  Major | documentation |
+| [HBASE-27006](https://issues.apache.org/jira/browse/HBASE-27006) | cordon off large ci worker nodes |  Major | . |
+| [HBASE-26855](https://issues.apache.org/jira/browse/HBASE-26855) | Delete unnecessary dependency on jaxb-runtime jar |  Major | . |
+| [HBASE-27024](https://issues.apache.org/jira/browse/HBASE-27024) | The User API and Developer API links are broken on hbase.apache.org |  Major | website |
+| [HBASE-27045](https://issues.apache.org/jira/browse/HBASE-27045) | Disable TestClusterScopeQuotaThrottle |  Major | test |
+| [HBASE-26995](https://issues.apache.org/jira/browse/HBASE-26995) | Remove ref guide check in pre commit and nightly for branches other than master |  Major | build, scripts |
+| [HBASE-26899](https://issues.apache.org/jira/browse/HBASE-26899) | Run spotless:apply |  Major | . |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-27141](https://issues.apache.org/jira/browse/HBASE-27141) | Upgrade hbase-thirdparty dependency to 4.1.1 |  Critical | dependencies, security, thirdparty |
+| [HBASE-27108](https://issues.apache.org/jira/browse/HBASE-27108) | Revert HBASE-25709 |  Blocker | . |
+| [HBASE-27102](https://issues.apache.org/jira/browse/HBASE-27102) | Vacate the .idea folder in order to simplify spotless configuration |  Major | build |
+| [HBASE-27023](https://issues.apache.org/jira/browse/HBASE-27023) | Add protobuf to NOTICE file |  Major | . |
+| [HBASE-26912](https://issues.apache.org/jira/browse/HBASE-26912) | Bump checkstyle from 8.28 to 8.29 |  Minor | test |
+| [HBASE-26523](https://issues.apache.org/jira/browse/HBASE-26523) | Upgrade hbase-thirdparty dependency to 4.0.1 |  Blocker | thirdparty |
+| [HBASE-27033](https://issues.apache.org/jira/browse/HBASE-27033) | Backport "HBASE-27013 Introduce read all bytes when using pread for prefetch" to branch-2.4 |  Major | . |
+| [HBASE-26892](https://issues.apache.org/jira/browse/HBASE-26892) | Add spotless:check in our pre commit general check |  Major | jenkins |
+
+
+## Release 2.4.12 - Unreleased (as of 2022-04-30)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26961](https://issues.apache.org/jira/browse/HBASE-26961) | cache region locations when getAllRegionLocations() for branch-2.4+ |  Minor | Client |
+| [HBASE-26860](https://issues.apache.org/jira/browse/HBASE-26860) | Backport "HBASE-25681 Add a switch for server/table queryMeter" to branch-2.4 |  Major | . |
+| [HBASE-26980](https://issues.apache.org/jira/browse/HBASE-26980) | Update javadoc of BucketCache.java |  Trivial | documentation |
+| [HBASE-26581](https://issues.apache.org/jira/browse/HBASE-26581) | Add metrics around failed replication edits |  Minor | metrics, Replication |
+| [HBASE-26971](https://issues.apache.org/jira/browse/HBASE-26971) | SnapshotInfo --snapshot param is marked as required even when trying to list all snapshots |  Minor | . |
+| [HBASE-26618](https://issues.apache.org/jira/browse/HBASE-26618) | Involving primary meta region in meta scan with CatalogReplicaLoadBalanceSimpleSelector |  Minor | meta replicas |
+| [HBASE-26885](https://issues.apache.org/jira/browse/HBASE-26885) | The TRSP should not go on when it get a bogus server name from AM |  Major | proc-v2 |
+| [HBASE-26872](https://issues.apache.org/jira/browse/HBASE-26872) | Load rate calculator for cost functions should be more precise |  Major | Balancer |
+| [HBASE-26832](https://issues.apache.org/jira/browse/HBASE-26832) | Avoid repeated releasing of flushed wal entries in AsyncFSWAL#syncCompleted |  Major | wal |
+| [HBASE-26878](https://issues.apache.org/jira/browse/HBASE-26878) | TableInputFormatBase should cache RegionSizeCalculator |  Minor | . |
+| [HBASE-26175](https://issues.apache.org/jira/browse/HBASE-26175) | MetricsHBaseServer should record all kinds of Exceptions |  Minor | metrics |
+| [HBASE-26858](https://issues.apache.org/jira/browse/HBASE-26858) | Refactor TestMasterRegionOnTwoFileSystems to avoid dead loop |  Major | test |
+| [HBASE-26848](https://issues.apache.org/jira/browse/HBASE-26848) | Set java.io.tmpdir on mvn command when running jenkins job |  Major | jenkins, test |
+| [HBASE-26680](https://issues.apache.org/jira/browse/HBASE-26680) | Close and do not write trailer for the broken WAL writer |  Major | wal |
+| [HBASE-26720](https://issues.apache.org/jira/browse/HBASE-26720) | ExportSnapshot should validate the source snapshot before copying files |  Major | snapshots |
+| [HBASE-26275](https://issues.apache.org/jira/browse/HBASE-26275) | update error message when executing deleteall with ROWPREFIXFILTER in meta table |  Minor | shell |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26917](https://issues.apache.org/jira/browse/HBASE-26917) | Do not add --threads when running 'mvn site' |  Major | build, scripts |
+| [HBASE-26941](https://issues.apache.org/jira/browse/HBASE-26941) | LocalHBaseCluster.waitOnRegionServer should not call join while interrupted |  Critical | test |
+| [HBASE-26944](https://issues.apache.org/jira/browse/HBASE-26944) | Possible resource leak while creating new region scanner |  Major | . |
+| [HBASE-26895](https://issues.apache.org/jira/browse/HBASE-26895) | on hbase shell, 'delete/deleteall' for a columnfamily is not working |  Major | shell |
+| [HBASE-26901](https://issues.apache.org/jira/browse/HBASE-26901) | delete with null columnQualifier occurs NullPointerException when NewVersionBehavior is on |  Major | Deletes, Scanners |
+| [HBASE-26880](https://issues.apache.org/jira/browse/HBASE-26880) | Misspelling commands in hbase shell will crash the shell |  Minor | shell |
+| [HBASE-26924](https://issues.apache.org/jira/browse/HBASE-26924) | [Documentation] Fix log parameter error and spelling error |  Trivial | logging |
+| [HBASE-26811](https://issues.apache.org/jira/browse/HBASE-26811) | Secondary replica may be disabled for read incorrectly forever |  Major | read replicas |
+| [HBASE-26812](https://issues.apache.org/jira/browse/HBASE-26812) | ShortCircuitingClusterConnection fails to close RegionScanners when making short-circuited calls |  Critical | . |
+| [HBASE-26838](https://issues.apache.org/jira/browse/HBASE-26838) | Junit jar is not included in the hbase tar ball, causing issues for some  hbase tools that do rely on it |  Major | integration tests, tooling |
+| [HBASE-26871](https://issues.apache.org/jira/browse/HBASE-26871) | shaded mapreduce and shaded byo-hadoop client artifacts contains no classes |  Blocker | integration tests, jenkins, mapreduce |
+| [HBASE-26896](https://issues.apache.org/jira/browse/HBASE-26896) | list\_quota\_snapshots fails with ‘ERROR NameError: uninitialized constant Shell::Commands::ListQuotaSnapshots::TABLE’ |  Major | shell |
+| [HBASE-26718](https://issues.apache.org/jira/browse/HBASE-26718) | HFileArchiver can remove referenced StoreFiles from the archive |  Major | Compaction, HFile, snapshots |
+| [HBASE-26864](https://issues.apache.org/jira/browse/HBASE-26864) | SplitTableRegionProcedure calls openParentRegions() at a wrong state during rollback. |  Major | Region Assignment |
+| [HBASE-26876](https://issues.apache.org/jira/browse/HBASE-26876) | Use toStringBinary for rowkey in RegionServerCallable error string |  Minor | . |
+| [HBASE-26875](https://issues.apache.org/jira/browse/HBASE-26875) | RpcRetryingCallerImpl translateException ignores return value of recursive call |  Minor | . |
+| [HBASE-26869](https://issues.apache.org/jira/browse/HBASE-26869) | RSRpcServices.scan should deep clone cells when RpcCallContext is null |  Major | regionserver |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26932](https://issues.apache.org/jira/browse/HBASE-26932) | Skip generating ref guide when running 'mvn site' on branch other than master |  Major | build, pom |
+| [HBASE-26928](https://issues.apache.org/jira/browse/HBASE-26928) | Fix several indentation problems |  Major | . |
+| [HBASE-26922](https://issues.apache.org/jira/browse/HBASE-26922) | Fix LineLength warnings as much as possible if it can not be fixed by spotless |  Major | . |
+| [HBASE-26929](https://issues.apache.org/jira/browse/HBASE-26929) | Upgrade surefire plugin to 3.0.0-M6 |  Major | pom, test |
+| [HBASE-26916](https://issues.apache.org/jira/browse/HBASE-26916) | Fix missing braces warnings in DefaultVisibilityExpressionResolver |  Major | . |
+| [HBASE-26919](https://issues.apache.org/jira/browse/HBASE-26919) | Rewrite the counting rows part in TestFromClientSide4 |  Major | test |
+| [HBASE-26920](https://issues.apache.org/jira/browse/HBASE-26920) | Fix missing braces warnings in TestProcedureMember |  Major | test |
+| [HBASE-26921](https://issues.apache.org/jira/browse/HBASE-26921) | Rewrite the counting cells part in TestMultiVersions |  Major | test |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26882](https://issues.apache.org/jira/browse/HBASE-26882) | Backport "HBASE-26810 Add dynamic configuration support for system coprocessors" to branch-2 |  Major | Coprocessors, master, regionserver |
+| [HBASE-26903](https://issues.apache.org/jira/browse/HBASE-26903) | Bump httpclient from 4.5.3 to 4.5.13 |  Minor | . |
+| [HBASE-26902](https://issues.apache.org/jira/browse/HBASE-26902) | Bump bcprov-jdk15on from 1.60 to 1.67 |  Minor | . |
+| [HBASE-26834](https://issues.apache.org/jira/browse/HBASE-26834) | Adapt ConnectionRule for both sync and async connections |  Major | test |
+| [HBASE-26861](https://issues.apache.org/jira/browse/HBASE-26861) | Fix flaky TestSnapshotFromMaster.testSnapshotHFileArchiving |  Major | snapshots, test |
+
+
+## Release 2.4.11 - 2022-03-21
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26828](https://issues.apache.org/jira/browse/HBASE-26828) | Increase the concurrency when running UTs in pre commit job |  Major | jenkins, test |
+| [HBASE-26833](https://issues.apache.org/jira/browse/HBASE-26833) | Avoid waiting to clear buffer usage of ReplicationSourceShipper when aborting the RS |  Major | regionserver, Replication |
+| [HBASE-26835](https://issues.apache.org/jira/browse/HBASE-26835) | Rewrite TestLruAdaptiveBlockCache to make it more stable |  Major | test |
+| [HBASE-26830](https://issues.apache.org/jira/browse/HBASE-26830) | Rewrite TestLruBlockCache to make it more stable |  Major | test |
+| [HBASE-26552](https://issues.apache.org/jira/browse/HBASE-26552) | Introduce retry to logroller to avoid abort |  Major | wal |
+| [HBASE-26792](https://issues.apache.org/jira/browse/HBASE-26792) | Implement ScanInfo#toString |  Minor | regionserver |
+| [HBASE-26789](https://issues.apache.org/jira/browse/HBASE-26789) | Automatically add default security headers to http/rest if SSL enabled |  Major | REST, UI |
+| [HBASE-23303](https://issues.apache.org/jira/browse/HBASE-23303) | Add security headers to REST server/info page |  Major | REST |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26840](https://issues.apache.org/jira/browse/HBASE-26840) | Fix NPE in the retry of logroller |  Minor | wal |
+| [HBASE-26670](https://issues.apache.org/jira/browse/HBASE-26670) | HFileLinkCleaner should be added even if snapshot is disabled |  Critical | snapshots |
+| [HBASE-26761](https://issues.apache.org/jira/browse/HBASE-26761) | TestMobStoreScanner (testGetMassive) can OOME |  Minor | mob, test |
+| [HBASE-26816](https://issues.apache.org/jira/browse/HBASE-26816) | Fix CME in ReplicationSourceManager |  Minor | Replication |
+| [HBASE-26715](https://issues.apache.org/jira/browse/HBASE-26715) | Blocked on SyncFuture in AsyncProtobufLogWriter#write |  Major | . |
+| [HBASE-26815](https://issues.apache.org/jira/browse/HBASE-26815) | TestFanOutOneBlockAsyncDFSOutput is flakey |  Major | test |
+| [HBASE-26783](https://issues.apache.org/jira/browse/HBASE-26783) | ScannerCallable doubly clears meta cache on retries |  Major | . |
+| [HBASE-25709](https://issues.apache.org/jira/browse/HBASE-25709) | Close region may stuck when region is compacting and skipped most cells read |  Major | Compaction |
+| [HBASE-26777](https://issues.apache.org/jira/browse/HBASE-26777) | BufferedDataBlockEncoder$OffheapDecodedExtendedCell.deepClone throws UnsupportedOperationException |  Major | regionserver |
+| [HBASE-26745](https://issues.apache.org/jira/browse/HBASE-26745) | MetricsStochasticBalancerSource metrics don't render in /jmx endpoint |  Minor | . |
+| [HBASE-26776](https://issues.apache.org/jira/browse/HBASE-26776) | RpcServer failure to SASL handshake always logs user "unknown" to audit log |  Major | security |
+| [HBASE-26772](https://issues.apache.org/jira/browse/HBASE-26772) | Shell suspended in background |  Minor | shell |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26603](https://issues.apache.org/jira/browse/HBASE-26603) | Cherry pick HBASE-26537 to branch-2.4 |  Major | . |
+| [HBASE-26824](https://issues.apache.org/jira/browse/HBASE-26824) | TestHBaseTestingUtil.testResolvePortConflict failing after HBASE-26582 |  Major | . |
+| [HBASE-26582](https://issues.apache.org/jira/browse/HBASE-26582) | Prune use of Random and SecureRandom objects |  Minor | . |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26839](https://issues.apache.org/jira/browse/HBASE-26839) | Fix compatibility issues in 2.4.11RC0 |  Minor | . |
+| [HBASE-26817](https://issues.apache.org/jira/browse/HBASE-26817) | Mark RpcExecutor as IA.LimitedPrivate COPROC and PHOENIX |  Major | compatibility |
+| [HBASE-26760](https://issues.apache.org/jira/browse/HBASE-26760) | LICENSE handling should not allow non-aggregated "apache-2.0" |  Minor | community |
+| [HBASE-26691](https://issues.apache.org/jira/browse/HBASE-26691) | Replacing log4j with reload4j for branch-2.x |  Critical | logging |
+| [HBASE-26788](https://issues.apache.org/jira/browse/HBASE-26788) | Disable Checks API callback from test results in PRs |  Major | build |
+| [HBASE-26622](https://issues.apache.org/jira/browse/HBASE-26622) | Update to error-prone 2.10 |  Major | . |
+
+
+## Release 2.4.10 - 2022-03-04
+
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26576](https://issues.apache.org/jira/browse/HBASE-26576) | Allow Pluggable Queue to belong to FastPath or normal Balanced Executor |  Minor | regionserver, rpc |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26702](https://issues.apache.org/jira/browse/HBASE-26702) | Make ageOfLastShip, ageOfLastApplied  extend TimeHistogram instead of plain histogram. |  Minor | metrics, Replication |
+| [HBASE-26657](https://issues.apache.org/jira/browse/HBASE-26657) | ProfileServlet should move the output location to hbase specific directory |  Minor | . |
+| [HBASE-26590](https://issues.apache.org/jira/browse/HBASE-26590) | Hbase-client Meta lookup performance regression between hbase-1 and hbase-2 |  Major | meta |
+| [HBASE-26629](https://issues.apache.org/jira/browse/HBASE-26629) | Add expiration for long time vacant scanners in Thrift2 |  Major | Performance, Thrift |
+| [HBASE-26609](https://issues.apache.org/jira/browse/HBASE-26609) | Round the size to MB or KB at the end of calculation in HRegionServer.createRegionLoad |  Major | regionserver |
+| [HBASE-26598](https://issues.apache.org/jira/browse/HBASE-26598) | Fix excessive connections in MajorCompactor |  Major | Compaction, tooling |
+| [HBASE-26579](https://issues.apache.org/jira/browse/HBASE-26579) | Set storage policy of recovered edits  when wal storage type is configured |  Major | Recovery |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26767](https://issues.apache.org/jira/browse/HBASE-26767) | Rest server should not use a large Header Cache. |  Major | REST |
+| [HBASE-26546](https://issues.apache.org/jira/browse/HBASE-26546) | hbase-shaded-client missing required thirdparty classes under hadoop 3.3.1 |  Major | Client, hadoop3, shading |
+| [HBASE-26712](https://issues.apache.org/jira/browse/HBASE-26712) | Balancer encounters NPE in rare case |  Major | . |
+| [HBASE-26742](https://issues.apache.org/jira/browse/HBASE-26742) | Comparator of NOT\_EQUAL NULL is invalid for checkAndMutate |  Major | . |
+| [HBASE-26688](https://issues.apache.org/jira/browse/HBASE-26688) | Threads shared EMPTY\_RESULT may lead to unexpected client job down. |  Major | Client |
+| [HBASE-26741](https://issues.apache.org/jira/browse/HBASE-26741) | Incorrect exception handling in shell |  Critical | shell |
+| [HBASE-26729](https://issues.apache.org/jira/browse/HBASE-26729) | Backport "HBASE-26714 Introduce path configuration for system coprocessors" to branch-2 |  Major | Coprocessors |
+| [HBASE-26713](https://issues.apache.org/jira/browse/HBASE-26713) | Increments submitted by 1.x clients will be stored with timestamp 0 on 2.x+ clusters |  Major | . |
+| [HBASE-26679](https://issues.apache.org/jira/browse/HBASE-26679) | Wait on the future returned by FanOutOneBlockAsyncDFSOutput.flush would stuck |  Critical | wal |
+| [HBASE-26662](https://issues.apache.org/jira/browse/HBASE-26662) | User.createUserForTesting should not reset UserProvider.groups every time if hbase.group.service.for.test.only is true |  Major | . |
+| [HBASE-26671](https://issues.apache.org/jira/browse/HBASE-26671) | Misspellings of hbck usage |  Minor | hbck |
+| [HBASE-26469](https://issues.apache.org/jira/browse/HBASE-26469) | correct HBase shell exit behavior to match code passed to exit |  Critical | shell |
+| [HBASE-26643](https://issues.apache.org/jira/browse/HBASE-26643) | LoadBalancer should not return empty map |  Critical | proc-v2, Region Assignment, test |
+| [HBASE-26646](https://issues.apache.org/jira/browse/HBASE-26646) | WALPlayer should obtain token from filesystem |  Minor | . |
+| [HBASE-26625](https://issues.apache.org/jira/browse/HBASE-26625) | ExportSnapshot tool failed to copy data files for tables with merge region |  Minor | . |
+| [HBASE-26615](https://issues.apache.org/jira/browse/HBASE-26615) | Snapshot referenced data files are deleted when delete a table with merge regions |  Major | . |
+| [HBASE-26613](https://issues.apache.org/jira/browse/HBASE-26613) | The logic of the method incrementIV in Encryption class has problem |  Major | Performance, security |
+| [HBASE-26488](https://issues.apache.org/jira/browse/HBASE-26488) | Memory leak when MemStore retry flushing |  Major | regionserver |
+| [HBASE-26340](https://issues.apache.org/jira/browse/HBASE-26340) | TableSplit returns false size under 1MB |  Major | mapreduce, regionserver |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26689](https://issues.apache.org/jira/browse/HBASE-26689) | Backport HBASE-24443 Refactor TestCustomSaslAuthenticationProvider |  Minor | test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26434](https://issues.apache.org/jira/browse/HBASE-26434) | Compact L0 files for cold regions using StripeCompactionPolicy |  Major | . |
+| [HBASE-26749](https://issues.apache.org/jira/browse/HBASE-26749) | Migrate HBase main pre commit job to ci-hbase |  Major | . |
+| [HBASE-26697](https://issues.apache.org/jira/browse/HBASE-26697) | Migrate HBase Nightly HBase-Flaky-Tests and HBase-Find-Flaky-Tests to ci-hbase |  Major | jenkins |
+| [HBASE-26747](https://issues.apache.org/jira/browse/HBASE-26747) | Use python2 instead of python in our python scripts |  Major | jenkins |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26616](https://issues.apache.org/jira/browse/HBASE-26616) | Refactor code related to ZooKeeper authentication |  Major | Zookeeper |
+| [HBASE-26631](https://issues.apache.org/jira/browse/HBASE-26631) | Upgrade junit to 4.13.2 |  Major | security, test |
+| [HBASE-26580](https://issues.apache.org/jira/browse/HBASE-26580) | The message of StoreTooBusy is confused |  Trivial | logging, regionserver |
+
+
+## Release 2.4.9 - 2021-12-23
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26601](https://issues.apache.org/jira/browse/HBASE-26601) | maven-gpg-plugin failing with "Inappropriate ioctl for device" |  Major | build |
+| [HBASE-26556](https://issues.apache.org/jira/browse/HBASE-26556) | IT and Chaos Monkey improvements |  Minor | integration tests |
+| [HBASE-26525](https://issues.apache.org/jira/browse/HBASE-26525) | Use unique thread name for group WALs |  Major | wal |
+| [HBASE-26517](https://issues.apache.org/jira/browse/HBASE-26517) | Add auth method information to AccessChecker audit log |  Trivial | security |
+| [HBASE-26512](https://issues.apache.org/jira/browse/HBASE-26512) | Make timestamp format configurable in HBase shell scan output |  Major | shell |
+| [HBASE-26485](https://issues.apache.org/jira/browse/HBASE-26485) | Introduce a method to clean restore directory after Snapshot Scan |  Minor | snapshots |
+| [HBASE-26475](https://issues.apache.org/jira/browse/HBASE-26475) | The flush and compact methods in HTU should skip processing secondary replicas |  Major | test |
+| [HBASE-26267](https://issues.apache.org/jira/browse/HBASE-26267) | Master initialization fails if Master Region WAL dir is missing |  Major | master |
+| [HBASE-26337](https://issues.apache.org/jira/browse/HBASE-26337) | Optimization for weighted random generators |  Major | Balancer |
+| [HBASE-26309](https://issues.apache.org/jira/browse/HBASE-26309) | Balancer tends to move regions to the server at the end of list |  Major | Balancer |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26541](https://issues.apache.org/jira/browse/HBASE-26541) | hbase-protocol-shaded not buildable on M1 MacOSX |  Major | . |
+| [HBASE-26527](https://issues.apache.org/jira/browse/HBASE-26527) | ArrayIndexOutOfBoundsException in KeyValueUtil.copyToNewKeyValue() |  Major | wal |
+| [HBASE-26462](https://issues.apache.org/jira/browse/HBASE-26462) | Should persist restoreAcl flag in the procedure state for CloneSnapshotProcedure and RestoreSnapshotProcedure |  Critical | proc-v2, snapshots |
+| [HBASE-26533](https://issues.apache.org/jira/browse/HBASE-26533) | KeyValueScanner might not be properly closed when using InternalScan.checkOnlyMemStore() |  Minor | . |
+| [HBASE-26482](https://issues.apache.org/jira/browse/HBASE-26482) | HMaster may clean wals that is replicating in rare cases |  Critical | Replication |
+| [HBASE-26468](https://issues.apache.org/jira/browse/HBASE-26468) | Region Server doesn't exit cleanly incase it crashes. |  Major | regionserver |
+| [HBASE-25905](https://issues.apache.org/jira/browse/HBASE-25905) | Shutdown of WAL stuck at waitForSafePoint |  Blocker | regionserver, wal |
+| [HBASE-26450](https://issues.apache.org/jira/browse/HBASE-26450) | Server configuration will overwrite HStore configuration after using shell command 'update\_config' |  Minor | Compaction, conf, regionserver |
+| [HBASE-26476](https://issues.apache.org/jira/browse/HBASE-26476) | Make DefaultMemStore extensible for HStore.memstore |  Major | regionserver |
+| [HBASE-26465](https://issues.apache.org/jira/browse/HBASE-26465) | MemStoreLAB may be released early when its SegmentScanner is scanning |  Critical | regionserver |
+| [HBASE-26467](https://issues.apache.org/jira/browse/HBASE-26467) | Wrong Cell Generated by MemStoreLABImpl.forceCopyOfBigCellInto when Cell size bigger than data chunk size |  Critical | in-memory-compaction |

[... 952 lines stripped ...]