lock down bytecode compatibility with release version
</plugins>
</build>
</profile>
+ <profile>
+ <id>jdk9</id>
+ <activation>
+ <jdk>[1.9,)</jdk>
+ </activation>
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <release>8</release>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
</profiles>
<scm>
