fix: added changelog #2971

Author: Julien Kronegg

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Fixed
 - [Core] Include root cause when using DataTable.asList and friends ([#2949](https://github.com/cucumber/cucumber-jvm/pull/2949) M.P. Korstanje)
+- [Core] Improve caching glue performance ([#2971](https://github.com/cucumber/cucumber-jvm/pull/2971) M.P. Korstanje & Julien Kronegg)
 - [JUnit Platform Engine] Set Engine-Version-cucumber attribute ([#2963](https://github.com/cucumber/cucumber-jvm/pull/2963) M.P. Korstanje)
 
 ### Changed

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

@@ -245,16 +245,17 @@ 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