Merge pull request #4188 from github/update-supported-enterprise-server-versions

Update supported GitHub Enterprise Server versions

Author: henrymercer

CHANGELOG.md

@@ -4,7 +4,7 @@ See the [releases page](https://github.com/github/codeql-action/releases) for th
 
 ## [UNRELEASED]
 
-No user facing changes.
+- _Upcoming breaking change_: Add a deprecation warning for customers using CodeQL version 2.21.2 and earlier. These versions of CodeQL were discontinued on 24 September 2026 alongside GitHub Enterprise Server 3.17, and will be unsupported by the next minor release of the CodeQL Action. [#4188](https://github.com/github/codeql-action/pull/4188)
 
 ## 4.38.2 - 24 Sept 2026
 

README.md

@@ -72,12 +72,11 @@ We typically release new minor versions of the CodeQL Action and Bundle when a n
 
 | Minimum CodeQL Action | Minimum CodeQL Bundle Version | GitHub Environment | Notes |
 |-----------------------|-------------------------------|--------------------|-------|
+| `v4.36.2` | `2.25.6` | Enterprise Server 3.22 | |
 | `v4.33.0` | `2.24.3` | Enterprise Server 3.21 | |
 | `v4.31.10` | `2.23.9` | Enterprise Server 3.20 | |
 | `v3.29.11` | `2.22.4` | Enterprise Server 3.19 | |
 | `v3.28.21` | `2.21.3` | Enterprise Server 3.18 | |
-| `v3.28.12` | `2.20.7` | Enterprise Server 3.17 | |
-| `v3.28.6` | `2.20.3` | Enterprise Server 3.16 | |
 
 See the full list of GHES release and deprecation dates at [GitHub Enterprise Server releases](https://docs.github.com/en/enterprise-server/admin/all-releases#releases-of-github-enterprise-server).
 

lib/entry-points.js

@@ -1 +1 @@
-{"maximumVersion":"3.23","minimumVersion":"3.17"}
+{"maximumVersion":"3.23","minimumVersion":"3.18"}

src/api-compatibility.json

@@ -258,17 +258,17 @@ const CODEQL_MINIMUM_VERSION = "2.19.4";
 /**
  * This version will shortly become the oldest version of CodeQL that the Action will run with.
  */
-const CODEQL_NEXT_MINIMUM_VERSION = "2.20.7";
+const CODEQL_NEXT_MINIMUM_VERSION = "2.21.3";
 
 /**
  * This is the version of GHES that was most recently deprecated.
  */
-const GHES_VERSION_MOST_RECENTLY_DEPRECATED = "3.16";
+const GHES_VERSION_MOST_RECENTLY_DEPRECATED = "3.17";
 
 /**
  * This is the deprecation date for the version of GHES that was most recently deprecated.
  */
-const GHES_MOST_RECENT_DEPRECATION_DATE = "2026-07-01";
+const GHES_MOST_RECENT_DEPRECATION_DATE = "2026-09-24";
 
 /** The CLI verbosity level to use for extraction in debug mode. */
 const EXTRACTION_DEBUG_MODE_VERBOSITY = "progress++";