fix: added changelog #2971

Author: Julien Kronegg

CHANGELOG.md

@@ -10,6 +10,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- [Core] Improve caching glue performance ([#2971](https://github.com/cucumber/cucumber-jvm/pull/2971) M.P. Korstanje & Julien Kronegg)
 
 ## [7.21.0] - 2025-02-02
 ### Added

cucumber-core/src/main/java/io/cucumber/core/runner/CachingGlue.java

@@ -246,16 +246,17 @@ void prepareGlue(Locale locale) throws DuplicateStepDefinitionException {
         boolean firstTime = stepTypeRegistry == null;
         boolean languageChanged = !locale.equals(this.locale);
         boolean mustRebuildCache = false;
-        if (firstTime || languageChanged || this.dirtyCache) {
+        if (firstTime || languageChanged || dirtyCache) {
             // conditions changed => invalidate the glue cache
             this.locale = locale;
             stepTypeRegistry = new StepTypeRegistry(locale);
             stepExpressionFactory = new StepExpressionFactory(stepTypeRegistry, bus);
             stepDefinitionsByPattern.clear();
             stepPatternByStepText.clear();
             mustRebuildCache = true;
-            this.dirtyCache = false; // since we must rebuild the cache, it will
-                                     // not be dirty the next time
+            // since we must rebuild the cache, it will not be dirty the next
+            // time
+            dirtyCache = false;
         }
 
         // TODO: separate prepared and unprepared glue into different classes