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: [תמונה] 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…

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 does not support UXP browsers and it's forks (e.g, Pale Moon)

תמיכה

NateDhaliwal (Nate Dhaliwal) 27 במאי,‏ 2026,‏ 4:11am 4

If it’s your own forum, this plugin might help:

נושא		תגובות	צפיות
Discourse is incompatible with Palemoon web browser (and older Firefox) Support	2	212	31 באוגוסט,‏ 2025
Discourse and Pale Moon browser Support	8	2001	15 בפברואר,‏ 2018
Better copy for browser is "too old to work on this site" UX	11	1430	18 ביולי,‏ 2022
Unfortunately, your browser is unsupported Support	8	203	31 במאי,‏ 2026
Discourse not working on an old phone with an unsupported browser Support	14	2245	7 בפברואר,‏ 2020

Discourse does not support UXP browsers and it's forks (e.g, Pale Moon)

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