Version 2.8.0-dev.20.7

* Cherry-pick 05e43cff921c23cdf52558538ecf84d8091d3cdb to beta
* Cherry-pick 5ed1850933651b13cb52fc9319c2cbc599fc97d6 to beta
* Cherry-pick 795c0b1b64ce563e8924e0d0b7ed0bde98c1cef3 to beta
* Cherry-pick 7baa21d97a3d07c5837cdac79bf406f36b878279 to beta
* Cherry-pick 8df9c9408b14507e0e0b9007b093353ebff6d021 to beta
* Cherry-pick 12f09896dbfaa6576719b52aabf98cb5979a335d to beta
diff --git a/tools/VERSION b/tools/VERSION
index b8c543b..ce32c71 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -34,6 +34,6 @@
 MINOR 8
 PATCH 0
 PRERELEASE 20
-PRERELEASE_PATCH 1
+PRERELEASE_PATCH 7
 ABI_VERSION 32
 OLDEST_SUPPORTED_ABI_VERSION 32