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@ipa-nhg
This pull request upgrades the Java version used across the project from Java 19 (and in some places Java 11/1.8) to Java 21. It also updates related build tools and dependencies to ensure compatibility with Java 21. The changes affect build configuration files, Maven POMs, Eclipse project settings, and GitHub Actions workflows.
Key changes include:
Java Version Upgrade:
.classpathfiles and.settings/org.eclipse.jdt.core.prefsto use JavaSE-21 instead of JavaSE-19 or earlier. [1] [2] [3] [4] [5]Bundle-RequiredExecutionEnvironmentinMANIFEST.MFfiles for plugins to JavaSE-21. [1] [2]Build and Dependency Updates:
pom.xmlfiles, and upgraded related plugin and dependency versions (xtextVersion,tycho-version,mwe2Version). [1] [2]Other minor changes: