Cannot log into (no form) Cruise Critics Boards.

**Problem: https://boards.cruisecritic.com/login/ **
Cannot log into Cruise Critic boards - the auth screen never displays.
The main Cruise Critic site can be logged into.

• Can log into cruisecritic.com
• The login button (top right) of the Boards page (https://boards.cruisecritic.com) does not bring up auth (https://boards.cruisecritic.com/login/)
• This is the case even in compatibility mode.
• Logging in is available in Incognito/Private mode.
• I did exit and restart, and cleared all cookies; no impact.

Version 0.99.123.3-beta (WebKit 615.1.16.1)
Mac Studio (macOS Ventura 13.2.1 build 22D68)