3.9.12

🚀 New features and improvements

• [3.9.x] Apply resolver changes and improvements (#11536) @cstamas
• Update formatting of prerequisites-requirements error to improve readability (#11523) @slawekjaranowski
• Allow a Maven plugin to require a Java version (#11479) @slawekjaranowski
• Use MavenRepositorySystem in ProjectBuildingHelper instead of deprecated RepositorySystem (#11358) @slawekjaranowski
• Make maven.config use UTF8 (#11264) @cstamas
• Simplify prefix resolution (#11197) @slawekjaranowski

🐛 Bug Fixes

• Add default implementation for new method in MavenPluginManager (#11522) @slawekjaranowski
• Repository layout should be used in MavenRepositorySystem (#11495) @slawekjaranowski
• Fix plugin prefix resolution when metadata is not available from repository (#11290) @slawekjaranowski
• Improve source root modification warning message (#11105) @gnodet
• Bug: bad cache isolation between two sessions (#11082) @cstamas
• Set Guice class loading to CHILD - avoid using terminally deprecated methods (#11003) @slawekjaranowski
• Avoid parsing MAVEN_OPTS (3.9.x) (#10969) @BobVul

📝 Documentation updates

• clarify repository vs deployment repository (#11492) @hboutemy
• add maintained branches (#11448) @hboutemy

👻 Maintenance

• Add IntelliJ icon (#11408) @Bukama
• Build by JDK 25 (#11187) @slawekjaranowski
• Deprecate org.apache.maven.repository.RepositorySystem in 3.9.x (#11096) @slawekjaranowski

🔧 Build

• Bump actions/download-artifact from 5.0.0 to 6.0.0 (#11335) @dependabot[bot]
• Bump actions/upload-artifact from 4.6.2 to 5.0.0 (#11336) @dependabot[bot]

📦 Dependency updates

• Bump actions/cache from 4.3.0 to 5.0.0 (#11542) @dependabot[bot]
• Bump resolverVersion from 1.9.24 to 1.9.25 (#11533) @dependabot[bot]
• Bump actions/checkout from 6.0.0 to 6.0.1 (#11512) @dependabot[bot]
• Bump actions/setup-java from 5.0.0 to 5.1.0 (#11519) @dependabot[bot]
• Bump actions/checkout from 5.0.1 to 6.0.0 (#11476) @dependabot[bot]
• Bump actions/checkout from 5.0.0 to 5.0.1 (#11458) @dependabot[bot]
• Bump commons-cli:commons-cli from 1.10.0 to 1.11.0 (#11438) @dependabot[bot]
• Bump org.codehaus.plexus:plexus-interpolation from 1.28 to 1.29 (#11416) @dependabot[bot]
• Bump commons-io:commons-io from 2.20.0 to 2.21.0 (#11417) @dependabot[bot]
• Bump xmlunitVersion from 2.10.4 to 2.11.0 (#11331) @dependabot[bot]
• Bump org.codehaus.mojo:animal-sniffer-maven-plugin from 1.24 to 1.26 (#11231) @dependabot[bot]
• Bump org.ow2.asm:asm from 9.8 to 9.9 (#11203) @dependabot[bot]
• Bump actions/cache from 4.2.4 to 4.3.0 (#11172) @dependabot[bot]
• Bump com.google.guava:guava from 33.4.8-jre to 33.5.0-jre (#11143) @dependabot[bot]
• Bump xmlunitVersion from 2.10.3 to 2.10.4 (#11121) @dependabot[bot]
• Bump actions/cache from 4.2.3 to 4.2.4 (#11032) @dependabot[bot]
• Bump commons-cli:commons-cli from 1.9.0 to 1.10.0 (#11018) @dependabot[bot]
• Bump commons-io:commons-io from 2.19.0 to 2.20.0 (#10966) @dependabot[bot]