A recent update on my #Android phone messed up my PWA apps, including #freshrss and #Mastodon. The top status/ notification bar was overlapping the PWA, making what was underneath unaccessible and partially blocked.
I had to go into Settings - Display - Camera cutout - Your PWA App browser or program - Show camera cutout and changed the default 'auto' to 'hide camera cutout.'
If anyone comes across that, give that a try #mastoadmin. At first I thought it had to do with Mastodon's PWA but then it started happening with freshrss so I ruled out Mastodon