Version 2.8.0

Merge commit '4a07fd313fb946560e51331110df681ebb48f148' into stable
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40ba119..f024462 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -674,6 +674,13 @@
 * new lint: `avoid_web_libraries_in_flutter` (experimental)
 * (internal) prepare `unnecessary_lambdas` for coming `MethodInvocation` vs. `FunctionExpressionInvocation` changes
 
+## 2.5.2 - 2019-10-08
+
+This is a patch release with properly signed binaries required for macOS
+Catalina (Issue [38765][]).
+
+[38765]: https://github.com/dart-lang/sdk/issues/38765
+
 ## 2.5.1 - 2019-09-27
 
 This is a patch release that prevents type inference failures in the analyzer
diff --git a/tools/VERSION b/tools/VERSION
index 3ce66e6..28289b5 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -29,11 +29,11 @@
 #  * Deprecating an old ABI version:
 #     - increase OLDEST_SUPPORTED_ABI_VERSION to the version that is supported.
 #
-CHANNEL beta
+CHANNEL stable
 MAJOR 2
 MINOR 8
 PATCH 0
-PRERELEASE 20
-PRERELEASE_PATCH 11
+PRERELEASE 0
+PRERELEASE_PATCH 0
 ABI_VERSION 32
 OLDEST_SUPPORTED_ABI_VERSION 32