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: [изображение] 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…

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 не поддерживает браузеры UXP и их форки (например, Pale Moon)

Поддержка

david (David Taylor) 27.Май.2026 04:52:33 5

Если вы откроете консоль разработчика браузера, вы увидите журнал неудачных проверок функциональности JS/CSS.

Unfortunately, your browser is unsupported

Тема		Ответов	Просм.
Discourse is incompatible with Palemoon web browser (and older Firefox) Support	2	227	31.08.2025
Discourse and Pale Moon browser Support	8	2014	15.02.2018
Better copy for browser is "too old to work on this site" UX	11	1443	18.07.2022
Unfortunately, your browser is unsupported Support	8	242	31.05.2026
Discourse not working on an old phone with an unsupported browser Support	14	2273	07.02.2020

Discourse не поддерживает браузеры UXP и их форки (например, Pale Moon)

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