i think synapse is just kind of awful. i’m running a continuwuity (fork of conduwuit) server, and it’s been incredibly straightforward and painless compared to synapse

also colorado here. just rained where i’m at for first time in a couple weeks, still getting above 30c most days

collabora doesn’t provide a frontend and isn’t meant to be a standalone document editor. the “ok” is expected behavior and indicates the server is functional. you need a different service that supports collabora integration, such as nextcloud. then you just enter the address of your server and it should work