Hello,
I am planning to release a new version from branch 5.4, respectively 5.4.9, sometime soon, maybe on Friday or Monday.
Unless a major regression comes out with this release, this is going to be the last official packaged version from branch 5.4. The latest two stable branches 5.5 and 5.6 will be maintained further.
As usual, if anyone is aware of issues not yet reported to bug tracker or missing backports, report them in order to try to get the fixes in this release.
Cheers, Daniel