Version 2.12.0-259.14.beta

* Cherry-pick 9cbed612045f455f5fd315392e3fe2e3be9c130d to beta
* Cherry-pick refs/changes/00/185100/1 to beta
diff --git a/tools/VERSION b/tools/VERSION
index 856cb76..325a6a0 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 12
 PATCH 0
 PRERELEASE 259
-PRERELEASE_PATCH 12
\ No newline at end of file
+PRERELEASE_PATCH 14
\ No newline at end of file