Cannot play in the web browser in multiple systems after 23rd March update

[OlderFogey]

Hi, as I think I may have created a duplicate post (mine is specifically about Music though, with no transcoding at all), I uploaded my logs to here:

Plex Web doesn't play any more on any browser

Ok, here you go for my logs. I had not tried to use the webapp for a few days of course, so I clicked on a few tracks around the end of these logs. Broken pipe at… Apr 05, 2021 15:19:08.637 in the server log. Plex Media Server Logs_2021-04-05_15-21-39.zip (1.3 MB)