[airflow] branch master updated: Add note block to 2.x migration docs (#13094)

[ka...@apache.org]

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kaxilnaik pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/airflow.git


The following commit(s) were added to refs/heads/master by this push:
     new 872350b  Add note block to 2.x migration docs (#13094)
872350b is described below

commit 872350bac5bebea09bd52d50734a3b7517af712c
Author: Tisham Dhar <wh...@gmail.com>
AuthorDate: Tue Dec 22 10:26:06 2020 +1100

    Add note block to 2.x migration docs (#13094)
    
    closes: #13081
---
 docs/apache-airflow/upgrading-to-2.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/docs/apache-airflow/upgrading-to-2.rst b/docs/apache-airflow/upgrading-to-2.rst
index 2bc2426..33ad233 100644
--- a/docs/apache-airflow/upgrading-to-2.rst
+++ b/docs/apache-airflow/upgrading-to-2.rst
@@ -325,6 +325,14 @@ the only supported UI.
 
 **Breaking Change in OAuth**
 
+.. note::
+
+    When multiple replicas of the airflow webserver are running they
+    need to share the same *secret_key* to access the same user session. Inject
+    this via any configuration mechanism. The 1.10.14 bridge-release modifies this feature
+    to use randomly generated secret keys instead of an insecure default and may break existing
+    deployments that rely on the default.
+
 The ``flask-ouathlib`` has been replaced with ``authlib`` because ``flask-outhlib`` has
 been deprecated in favor of ``authlib``.
 The Old and New provider configuration keys that have changed are as follows