Hello,
I upgraded yesterday to latest Collabora code, (Image Id: d3757c546923) and slideshow in presentations does not works anymore: the slideshow locks during loading. I found this message in the docker logs:
wsd-00030-00038 08:43:04.743011 [ websrv_poll ] ERR #21 Exception while processing incoming request: [GET /lool/https://www.resolutions.it/nextcloud/index.php/apps/richdocuments/wopi/files/7527_ocabe0197298/s05TEKUX0G2iQJcH/jcTml4nKx2ZgZRLKNdZhwKuxUTivUxL737KlLFUKBEKXlO7Y6KQZQY5yDZunV7vK/slideshow.svg HTTP/1.1^M...]: Syntax error| wsd/LOOLWSD.cpp:1672