The FilterView context isn't updated when switching between multiple thumb windows while leaving the FilterView open.
a) open thumbs A
b) invoke filter view: note thumbs A tags
c) open thumbs B, set current focus
d) click on filter view window: still showing thumbs A tags
Need to close and re-open filter view to get tags updated (update context)
The FilterView context isn't updated when switching between multiple thumb windows while leaving the FilterView open.