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: [imagem] 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:

O Discourse não suporta navegadores UXP e seus forks (por exemplo, Pale Moon)

Suporte

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

Se for seu próprio fórum, este plugin pode ajudar:

Tópico		Respostas	Visualizações
Discourse is incompatible with Palemoon web browser (and older Firefox) Support	2	320	31 de Agosto de 2025
Discourse and Pale Moon browser Support	8	2062	15 de Fevereiro de 2018
Better copy for browser is "too old to work on this site" UX	11	1491	18 de Julho de 2022
Unfortunately, your browser is unsupported Support	8	323	31 de Maio de 2026
Discourse not working on an old phone with an unsupported browser Support	14	2359	7 de Fevereiro de 2020

O Discourse não suporta navegadores UXP e seus forks (por exemplo, Pale Moon)

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