Exchange 2019 Public folder and last Outlook version 2510 (build 18429.20132)

I can't see any public folder on Outlook version 2510 (build 18429.20132), before this update public folder works correctly. From owa public folder are correctly displayed. Mail server is an Exchange on prem 2019 CU15. Two ago i found a workaround that worked until the last update.

Have you any ideas to solve this problem ?

Thnaks