Version 2.15.0-12.0.dev

Merge commit 'eae58445e904440ff3fcb2a12d2905990d66bbf4' into 'dev'
diff --git a/tools/VERSION b/tools/VERSION
index 9df6ef3..bd31ebf 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL be
+CHANNEL dev
 MAJOR 2
 MINOR 15
 PATCH 0
-PRERELEASE 0
-PRERELEASE_PATCH 0
+PRERELEASE 12
+PRERELEASE_PATCH 0
\ No newline at end of file