Just to update, almost all text-rewriting for all outstanding items and monsters (with the exception of Wildemount items) has been completed. Now’s the fun part: programming it all. I’m fairly confident that everything from Tasha’s, Icewind Dale, and Eberron will be done for the next release. But there are tons of other books that are all in some stage of progress. If you’d like to give your opinion on what to prioritize, head to
this thread.