I was checking on the community recently and found that the MSDN BizTalk forums had all been closed since September 2020 and the new Microsoft Q&A site that is supposed to be the new home for Microsoft forums did not have any BizTalk tags and the Microsoft people were all tagging the BizTalk questions as “not-supported” because they did not think you could post a BizTalk question on the Q&A site.
This seems completely wrong.
I looked at the BizTalkGurus.com page that used to have forums but the site did not appear to be working any more. I could not get the forum topics to show up now.
I used to support the BizTalk forums a long time back so I am surprised to see them basically just gone now. I was surprised too when the Microsoft physical stores closed up completely too. All I can suggest is to try tagging a post on the Q&A site as azure-logic-apps and then talk about BizTalk there.
You can still reach me on this site if you have any questions or look me up on LinkedIn.
MS Innovations Blog 
There really has been a big change when old forums seem to be shut down.
However I did have a problem with BTS2020 CU1 and we got fast response from MS personnel and help from https://techcommunity.microsoft.com/t5/biztalk-server/bd-p/BizTalkServer -site.
Thanks Jari! I will start using that other forum now.