Any idea of what is going on? I was going to try reimporting the API tool project thinking there may have been an update but it looks like that hasn't been updated since 2024.
Well, as a workaround solution I bypassed the logic which does the filtering. It's strange that it broke, but at least this got me working for the short term.
The backend issue has been fixed, but this is apparently only a bit of a bandaid - the recommendation is to switch to the Perspective project, which will be formally announced/rolled out soon: