Despite what the threads I read say, Discourse does not support UXP browsers and it’s forks like Pale Moon, Basilisk, etc… Any idea why or how this can be fixed? Does not get fixed when spoofing as Firefox in User Agent either. [Screenshot 2026-05-27 at 02.18.35] Pale Moon is not an old browser b…

hi there :wave: welcome :slight_smile: from What is Discourse? | Discourse - Civilized Discussion ) [image] this has also been discussed before here: Discourse is incompatible with Palemoon web browser (and older Firefox)

Is there anything Pale Moon can do to meet these guidelines? I’m happy to oblige to implement any missing JavaScript/CSS.

If it’s your own forum, this plugin might help: [圖片] Dumbcourse – Old-browser friendly UI at /dumb (D-pad + small screens) Plugin information_source Summary Dumbcourse adds a lightweight, old-browser friendly Discourse UI under /dumb, designed for D-pad na…

If you open the browser developer console, you should see a log of the failed JS/CSS feature-detections.

Will take a look at it. Thanks. :+1:

Discourse 不支持 UXP 浏览器及其分支（例如 Pale Moon）

支持

NateDhaliwal (Nate Dhaliwal) 2026年五月27日 04:11 4

如果是您自己的论坛，这个插件可能会有所帮助：

話題		回覆	觀看
Discourse is incompatible with Palemoon web browser (and older Firefox) Support	2	324	2025年八月31日
Discourse and Pale Moon browser Support	8	2073	2018年二月15日
Better copy for browser is "too old to work on this site" UX	11	1500	2022年七月18日
Unfortunately, your browser is unsupported Support	8	333	2026年五月31日
Discourse not working on an old phone with an unsupported browser Support	14	2368	2020年二月7日

Discourse 不支持 UXP 浏览器及其分支（例如 Pale Moon）

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