You are not alone
Connecting to the SH3D forum using Firefox doesn't work on either Linux or Android (mobile phone).
It works with Chrome on Android and probably on Linux as well (if you have it installed).
I'm currently writing this using Konqueror, an old KDE browser based on Mozilla.
It's surprising that they missed this one.
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A computer program does what you tell it to do, not what you want it to do. Murphy's Law
When all else fails, read the instructions. Murphy's Law
If you don't like "AS IS", DIY. Dorin's law
