Release published on the 2024-08-18 07:33:42 +0000 UTC at the url https://github.com/apache/maven/releases/tag/maven-3.9.9

# [Release Notes - Maven - Version 3.9.9](https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316922&version=12354823)
                
<h2>        Bug
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8159'>MNG-8159</a>] -         Fix search for topDirectory when using -f / --file for Maven 3.9.x
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8165'>MNG-8165</a>] -         Maven does not find extensions for -f when current dir is root
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8177'>MNG-8177</a>] -         Warning &quot;&#39;dependencyManagement.dependencies.dependency.systemPath&#39; for com.sun:tools:jar refers to a non-existing file C:\Temp\jdk-11.0.23\..\lib\tools.jar&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8178'>MNG-8178</a>] -         Profile activation based on OS properties is broken for &quot;mvn site&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8180'>MNG-8180</a>] -         Resolver will blindly assume it is deploying a plugin by presence of META-INF/maven/plugins.xml in JAR
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8182'>MNG-8182</a>] -         Missing or mismatching Trusted Checksum for some artifacts is not properly reported
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8188'>MNG-8188</a>] -         [REGRESSION] Property not resolved in profile pluginManagement
</li>
</ul>
                            
<h2>        Task
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8206'>MNG-8206</a>] -         Remove Maven 2.1 (v 2.0) compatibility bits
</li>
</ul>
                                                    
<h2>        Dependency upgrade
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8175'>MNG-8175</a>] -         Resolver 1.9.21
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8179'>MNG-8179</a>] -         Upgrade Parent to 43
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8193'>MNG-8193</a>] -         Resolver 1.9.22
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8198'>MNG-8198</a>] -         (build) Animal Sniffer 1.24
</li>
<li>[<a href='https://issues.apache.org/jira/browse/MNG-8199'>MNG-8199</a>] -         Hamcrest 3.0
</li>
</ul>
                                                                                                    
## What's Changed
* [MNG-8159] Fix search for topDirectory when using -f / --file by @gzm55 in https://github.com/apache/maven/pull/1589
* [MNG-7194] Test missing property evaluation by @pzygielo in https://github.com/apache/maven/pull/1570
* [3.9.x] [MNG-8175] Update Resolver to 1.9.21 by @cstamas in https://github.com/apache/maven/pull/1598
* [MNG-8178] Fall back to system properties for missing profile activation context properties by @kohlschuetter in https://github.com/apache/maven/pull/1603
* [MNG-8179] Upgrade Parent to 43 by @slawekjaranowski in https://github.com/apache/maven/pull/1610
* [MNG-8180] Fail install/deploy if rogue Maven Plugin metadata found by @cstamas in https://github.com/apache/maven/pull/1611
* [3.9.x][MNG-8193] Update to Resolver 1.9.22 by @cstamas in https://github.com/apache/maven/pull/1627
* [MNG-8199] Hamcrest 3.0 by @cstamas in https://github.com/apache/maven/pull/1631
* [MNG-8182] Resolved errors were created based on collect exceptions by @cstamas in https://github.com/apache/maven/pull/1632
* [MNG-8180] Handle NPE due non-existent tags by @cstamas in https://github.com/apache/maven/pull/1641
* [MNG-8180] Back out from failing the build by @cstamas in https://github.com/apache/maven/pull/1642
* [MNG-8206] Remove bad plugin.xml from maven-compat by @cstamas in https://github.com/apache/maven/pull/1646
* [MNG-8177] Add contextual info for model warnings by @cstamas in https://github.com/apache/maven/pull/1633
* [MNG-8188] Profile properties are not interpolated by @cstamas in https://github.com/apache/maven/pull/1634
* [MNG-8165] Align mvn.sh script with mvn.cmd by @cstamas in https://github.com/apache/maven/pull/1647
* [MNG-8165] Get rid of bashism creeped in by @cstamas in https://github.com/apache/maven/pull/1653

## New Contributors
* @gzm55 made their first contribution in https://github.com/apache/maven/pull/1589
* @kohlschuetter made their first contribution in https://github.com/apache/maven/pull/1603

**Full Changelog**: https://github.com/apache/maven/compare/maven-3.9.8...maven-3.9.9