The metadata parent contains all parent metadata (including plugins) except for dependency versions. This is to avoid a chicken-and-egg problem with the user BOM(s).
'org.uberfire:uberfire-extensions:0.8.0.Beta2'
<dependency>
<groupId>org.uberfire</groupId>
<artifactId>uberfire-extensions</artifactId>
<version>0.8.0.Beta2</version>
</dependency>
<dependency org="org.uberfire" name="uberfire-extensions" rev="0.8.0.Beta2"/>
"org.uberfire", "uberfire-extensions", "0.8.0.Beta2"