Can't Tag via Discogs

I'm using v2.63. For the past few days, I absolutely couldn't tag my files through Discogs. Amazon and Musicbrainz are working fine, however. Is there something wrong with my version? Am I the only having problems with this?

See MP3Tag Won't connect to Discogs
Just using "Discogs" as search word returns enough hits.

Same here. I did that Authorized Applications revoke thing, but didn't help. I hope it'll get fixed soon.
I can't live without mp3tag.