Version 3.4.0-212.0.dev

Merge cea23ff072703a120ef7a1562385f7c573e3d741 into dev
diff --git a/tools/VERSION b/tools/VERSION
index 5ac3bc3..f3e6362 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL main
+CHANNEL dev
 MAJOR 3
 MINOR 4
 PATCH 0
-PRERELEASE 0
+PRERELEASE 212
 PRERELEASE_PATCH 0