Version 1.22.0-dev.10.6

Cherry-pick 7 commits fixing dev_compiler issues
diff --git a/tools/VERSION b/tools/VERSION
index 790d464..ba3edfa 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 22
 PATCH 0
 PRERELEASE 10
-PRERELEASE_PATCH 5
+PRERELEASE_PATCH 6