Soooo, Slack announced months ago that, starting from March 1st 2023, it will no longer support Firefox version 91 and below.
I knew this, and planned to update way ahead of time, but.... you know. It is never urgent enough until the day is there (or even passed).
Problem is: apt refuses to upgrade my preferred browser and I have been stuck at 91-esr for months now.
I don't know if it is Debian its choice, or if my favourite flavour Bunsenlabs is forcing this (probably because I haven't upgraded to Beryllium yet), result is: I got to find a way around this.
Now here is what I did, it works for me but it might not be the best solution so suggestions are welcome: