[iotdb] 02/02: add 0.12.6 release notes

[qi...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

qiaojialin pushed a commit to branch add_0.12_release_note
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit 8c473a10f035db0c6fedd9d8058f16d0f81265c9
Author: qiaojialin <64...@qq.com>
AuthorDate: Thu Jun 30 20:23:07 2022 +0800

    add 0.12.6 release notes
---
 RELEASE_NOTES.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 006e9330f2..e5b971a34c 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -19,6 +19,21 @@
 
 -->
 
+# Apache IoTDB 0.12.6
+
+## Improvements
+* [IOTDB-3515] Make the message clear when loading empty TsFile
+
+## Bug Fixes
+* [IOTDB-3292] Fix chunk size overflow in level compaction
+* [IOTDB-3392] Fix File doesn't exist when moving TsFile when virtual_storage_group > 1
+* [IOTDB-3398] Shield the exception when query meet a device is not in TsFile, which is a normal case
+* [ISSUE-4399] Fix printing "no permissions for this operation UDTF" when the query result is empty by non-root user
+* [ISSUE-5809] Fix bug: sum aggregation result return 0 when no data
+* Fix parameter max_select_unseq_file_num_in_each_unseq_compaction does not take effect bug
+* Fix data of one series in seq files overlapped
+* Optimize the login check 
+  
 # Apache IoTDB 0.12.5
 
 ## New Features