The recent Diablo 2 Resurrected patch that was released a couple of days ago only to rolled back after an issue where the shared would not show is now back.
In a blue post this evening, the shared stash has been confirmed as fixed and all the other changes should now be back too, including the Terror Zone messaging fixes.
A new backend fix has been implemented to resolve the stash issues and to reinstate the original change log from the OP in this thread.[/sc]You may now resume with everything back in working order. Huzzah!