cypherstream No knob in the software. I added it to list of things to investigate.
PL1 Favicon change was made in early AM. Browsers cache them because they change infrequently. Users can force-refresh if they don't see it yet.
Polling functionality is now added, however users may need to clear browser cache for proper functionality. I need to look into which assets should have reduced browser caching because we cant keep telling users to clear cache when new features drop. I am sure it is in the Flarum docs.