[Messenger] Add some UPGRADE entries regarding 4.2 BC breaks#29027
Merged
Tobion merged 1 commit intosymfony:masterfrom Oct 31, 2018
ogizanagi:messenger/upgrade-4.2
Merged
[Messenger] Add some UPGRADE entries regarding 4.2 BC breaks#29027Tobion merged 1 commit intosymfony:masterfrom ogizanagi:messenger/upgrade-4.2
Tobion merged 1 commit intosymfony:masterfrom
ogizanagi:messenger/upgrade-4.2