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: [imagen] 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-pa…

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 no admite navegadores UXP ni sus forks (por ejemplo, Pale Moon)

Soporte

wuggy (wuggy) 27 Mayo, 2026 13:34 6

Lo echaré un vistazo. Gracias.

Tema		Respuestas	Vistas
Discourse is incompatible with Palemoon web browser (and older Firefox) Support	2	225	31 Agosto 2025
Discourse and Pale Moon browser Support	8	2014	15 Febrero 2018
Better copy for browser is "too old to work on this site" UX	11	1443	18 Julio 2022
Unfortunately, your browser is unsupported Support	8	239	31 Mayo 2026
Discourse not working on an old phone with an unsupported browser Support	14	2271	7 Febrero 2020

Discourse no admite navegadores UXP ni sus forks (por ejemplo, Pale Moon)

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