Update changelog and readme for 0.5.9 supporting Spoofax 2.5.20

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project are documented in this file, based on [Keep
 ## [Unreleased] - yyyy-mm-dd
 
 
+## [0.5.9] - 2024-05-24
+### Changed
+- Support [Spoofax 2.5.20](https://spoofax.dev/release/note/2.5.20/)
+
+
 ## [0.5.8] - 2023-09-21
 ### Changed
 - Ensure 'sourcesJar' and 'javadoc' also depend on 'spoofaxBuildLanguageSpec' task.
@@ -51,7 +56,8 @@ All notable changes to this project are documented in this file, based on [Keep
 - `spoofaxBuildApproximateAdditionalInputExcludePatterns` and `spoofaxBuildApproximateAdditionalOutputExcludePatterns` to `spoofaxLanguageSpecification` extension to support setting up additional include/exclude patterns when building language specifications.
 
 
-[Unreleased]: https://github.com/metaborg/spoofax.gradle/compare/release-0.5.8...HEAD
+[Unreleased]: https://github.com/metaborg/spoofax.gradle/compare/release-0.5.9...HEAD
+[0.5.9]: https://github.com/metaborg/spoofax.gradle/compare/release-0.5.8...release-0.5.9
 [0.5.8]: https://github.com/metaborg/spoofax.gradle/compare/release-0.5.7...release-0.5.8
 [0.5.7]: https://github.com/metaborg/spoofax.gradle/compare/release-0.5.6...release-0.5.7
 [0.5.6]: https://github.com/metaborg/spoofax.gradle/compare/release-0.5.5...release-0.5.6

README.md

@@ -37,7 +37,8 @@ The following table lists the supported versions:
 | 0.5.1                 | 2.5.15  | 5.3-6.9.2 |
 | 0.5.2                 | 2.5.16  | 5.3-6.9.2 |
 | 0.5.3-0.5.6           | 2.5.16  | 6.1+      |
-| 0.5.7-latest          | 2.5.18  | 6.1+      |
+| 0.5.7-0.5.8           | 2.5.18  | 6.1+      |
+| 0.5.9-latest          | 2.5.20  | 6.1+      |
 
 The latest version of the plugin can be found at the top of this readme.