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

david (David Taylor) 27 Mayo, 2026 04:52 5

Si abres la consola de desarrollador del navegador, deberías ver un registro de las detecciones de características de JS/CSS fallidas.

Unfortunately, your browser is unsupported

Tema		Respuestas	Vistas
Discourse is incompatible with Palemoon web browser (and older Firefox) Support	3	206	22 Septiembre 2025
Discourse and Pale Moon browser Support	10	1994	28 Mayo 2020
Better copy for browser is "too old to work on this site" UX	12	1428	23 Julio 2022
Unfortunately, your browser is unsupported Support	8	160	31 Mayo 2026
Discourse not working on an old phone with an unsupported browser Support	15	2239	7 Febrero 2020

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

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