Welcome back ^^
I’ve only been using Kitsun in Chrome in the meantime. And still got the behavior that a synonym is only recognized after ignoring it once. Also tried having the web console in Chrome open during the reviews, but didn’t see anything helpful there either.
I’ll go back to work tomorrow and will try it in FF again then.
EDIT: It seems to work okay in FF… I don’t know what’s different between TamperMonkey for Chrome and TM for FF though, so I’m not sure if that’s really the underlying problem.