Found only in FF (FF 54 on Mac).
- On RC page with new filters enabled, select one of the tagged filters (make sure that 'Highlight results' button is not active.
- Click on one of the Tagged filters selected and then click on 'Highlight results' button - there is a strange, prolonged delay before highlight buttons appear.
The Console displays the following information about the delay- e.g.:
DOM: Event
Duration:5,112.21 ms
Event Type: click
Phase: Bubbling
Event Handler:
Duration: 5,111.88 ms
Stack:
add/elemData.handle load.php:66