https://javaserverfaces.java.net/nonav/2.2/releasenotes.html lists two diverging version branches of JSF2.2 where, strangely, 2.2.8-xx seems to be more recent than 2.2.9 and above.
Some bugs are fixed only in 2.2.9 (https://github.com/javaserverfaces/mojarra/issues/3384), some only in 2.2.8-xx (https://github.com/javaserverfaces/mojarra/issues/4111) and some in both versions (https://github.com/javaserverfaces/mojarra/issues/3133).
Whats the reason behind this and which branch should I use in production? Both seem to contain important bugfixes.
I could not find anything about this with google. Maybe the mojarra guys could add some information to the release notes.