Very much so. Canonical stopped developing it a long time ago, but it’s a community project now.

From the twitch pages

The desktop web browser experience of twitch.tv and supporting sites, officially support the latest two versions of Google Chrome, the latest two versions of Mozilla Firefox, the most recent version of Microsoft Edge, and the most recent version of Apple Safari.

https://help.twitch.tv/s/article/supported-browsers?language=en_US

What’s your browser version OP, so we can rule out whether it’s just a version issue

People not wanting to engage with other people is not censorship. Nobody is entitled to someone else’s attention.