So far, as far as a I know the original dev team is supporting this fork. They even made some updates to the original to make forking easier for them.
There are also system admin from large organisations using the software actively also on the team forking.
There is alot they are trying to do get a working fork ready. This is the first time I have seen actively the process of forking and opensource project and I just realised its not easy.
The amount of discussion and changes that need to get moving.
There’s already a wiki article for Phabricator; since they’re winding down, it seems reasonable to edit that one to account for Phorge rather than starting from scratch.