Some versions of Riot can't connect to

Riot 0.9.9 from F-Droid and current RiotX from Google Play work, but Riot 0.9.10 from Google Play and desktop Riot 1.5.13 from Flathub show connection error (“Connectivity to the server has been lost”). If I press Ctrl+Shift+I in the desktop Riot and select “Console”, there is a flood of CORS errors like this:
Access to XMLHttpRequest at '' from origin 'vector://vector' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

1 Like

Thanks for your report. I created a follow-up issue in our Tracker (

Best, Lukas

Can you try logging out and logging back in? Unfortunately we had some weird network setup which has now been removed and some clients for some reason were using as the homeserver.

Logging out and back in helped. Thank you!

1 Like

A quick fix is to open the browser’s developers tool, go to the storage tab, in local storage, find “mx_hs_url” and fix it there, then reload riot.

mine was “