https://connect.mozilla.org/t5/discussions/cant-re-sign-into-twitch/m-p/129940#M51948 <P>I'm having þe same problem. For whatever reason Waterfox has no issues.<BR />I have cleared cache/cookies, I've ensured I'm on þe most recent build of Firefox, I've disabled all extensions, but no joy.<BR />Twitch claims þat þe 2 most recent builds of Firefox should be supported, however, it hasn't worked correctly for me since patch 152.0.0.<BR />I first noticed a problem when I couldn't follow or unfollow anyone, nor could I pin messages as a mod, nor send gift subs. I tried today to clear cookies and site data to fix it, but when I tried to log back in it gave me "not a supported browser"</P> Tue, 23 Jun 2026 14:58:06 GMT Dirt_Nap 2026-06-23T14:58:06Z https://connect.mozilla.org/t5/discussions/cant-re-sign-into-twitch/m-p/125393#M49483 <P>I am currently unable to sign into twitch as it says it's not a "Supported program" Even tho on the website, it says it is..</P> Fri, 15 May 2026 18:02:08 GMT https://connect.mozilla.org/t5/discussions/cant-re-sign-into-twitch/m-p/125393#M49483 RaiCho 2026-05-15T18:02:08Z https://connect.mozilla.org/t5/discussions/cant-re-sign-into-twitch/m-p/129940#M51948 <P>I'm having þe same problem. For whatever reason Waterfox has no issues.<BR />I have cleared cache/cookies, I've ensured I'm on þe most recent build of Firefox, I've disabled all extensions, but no joy.<BR />Twitch claims þat þe 2 most recent builds of Firefox should be supported, however, it hasn't worked correctly for me since patch 152.0.0.<BR />I first noticed a problem when I couldn't follow or unfollow anyone, nor could I pin messages as a mod, nor send gift subs. I tried today to clear cookies and site data to fix it, but when I tried to log back in it gave me "not a supported browser"</P> Tue, 23 Jun 2026 14:58:06 GMT https://connect.mozilla.org/t5/discussions/cant-re-sign-into-twitch/m-p/129940#M51948 Dirt_Nap 2026-06-23T14:58:06Z