A console-specific patch for 10.5 has also been released this evening (PC was earlier) and it addresses a few problems including crashes due to bugs and the joining game region issue.
Note this only applies to the PS and Xbox versions. A Switch patch will be available soon according to Blizzard.
Diablo 2 Resurrected console 10.5 patch Notes
- Fixed saves for offline characters that shared the same names as their online characters
- Fixed an issue where players are now notified that their Xbox Live accounts are being linked during account linking
- Fixed an issue preventing players from creating a game in their region after they joined a game in a different region
- Fixed numerous related miscellaneous bugs that would cause users games to crash