you must do a sort to apply the filters, yes. If you don't see the global filter after sorting, that's a bug.

fandom filters are only active if a fandom "owns" the tag you're currently searching in. Like, Harry potter fandom owns hermione but not "books". That's the design anyway, bugs may be interfering.

excludes disable the script on matched pages and includes enable it. hopefully it doesn't do anything if it ends up running where it's not supposed to.

I might be able to make it more like tumblr savior, we'll see.