Mono-vs-Multi repo setup

I have been collecting information and input for splitting the `logging-log4j2` repository into multiple projects. This can be achieved by either using the existing repository or migrating to a multi-repo setup. I have shared my findings in this Google Doc

Re: Mono-vs-Multi repo setup

Here are my thoughts: - I like 2.x as it is now as a mono-repo. - I like a mon-repo in general because: -- Everything is released together with the same version. There is no mystery of what works with what, what we tested with what. See the bugs with Maven plugins mysteriously breaking as counter-e