A small reactivity glitch 
Testing version: 2.1 (12333)
What were you doing: Moving a note to a sub-tag by editing the tag
What feature did you use: Editing a tag, filter notes hiding subtags
What happened: The note is still visible in the parent tag notes list even if “Hide subtag notes” is selected until I switch tag and come back
What did you expect to happen: The note shall be moved to the subtag and hidden from the parent tag notes list