1- Are they going to be merged again, or is this an unofficial or not-yet-announced fork? 2- If it is, which ones work with LJ-originated code? (I know the LJI-hosted one works, but I'd like to hear about the other 2.) 3- Which one (if any) is "official" (in the narrow sense of "will be tracked on CPAN")? 4- Are they able to coexist peacefully, eg if an application indirectly depends on both?