# Using with Maven 3.8.x
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Since version 1.7.0, Maven Resolver requires Java 8 to run and a brand new default sync context
factory has been implemented. Both are not compatible with Maven 3.8.x anymore which still requires
Java 7 to run. Maven 3.8.x will continue to use version 1.6.x which you will find
[here](/resolver-archives/resolver-1.6.3/).
This also means that you cannot make use of the features provided by version 1.7.0 and later.
If you require the changes in this version, but must use Maven 3.8.x, you can build an adapted version
of Maven from the branch [`maven-3.8.x-maven-resolver-1.7.x`](https://github.com/apache/maven/tree/maven-3.8.x-resolver-1.7.x) and use as if you would use Maven 4.
