open advanced settings in special page address about:config
enter extensions.checkCompatibility.11.16 in a search field (it should contain your version number) and create a boolean value
change this value to false
This should be done every-time FireDragon updates, though.
Why I need this
This option was useful for me as I’m using Enhancer for YouTube™ add-on. Latest version of the add-on works with Firefox version 121.0 and later. At the time of writing FireDragon is based on Floorp browser which is a fork of Firefox version ESR 115. So add-on refused to work.
Another option would be to get older version of the add-on as a file and install it manually, but using Do not check for compatibility with add-ons leaves me an always automatically-updated add-on which is working without issues with this older version of a browser.
After deleting the file, the preference was unlocked again.
To find your current FireDragon profile location
open advanced settings in special page address about:profiles
look for profile in use and open it’s Root Directory
failover.jsc should be just here
Although update problem is not related to preference value changing e.g. from false to true, but in preference name in general. So this string with every new version number must still be added manually after every FireDragon update
I’ve encountered problem with Enhancer for YouTube™ just when new version of FireDragon based on Floorp was released. Can’t remember version of Enhancer for YouTube™ at that time, but I’ve always seen this same warning message:
In the next version of Firedragon (11.17) this will be fixed.
I just tested from a fresh install of Firedragon 11.17.3 and installed Enhancer without any issue.