There are a couple of Thunderbird extensions that I regard as essential, such as the brilliant ThreadVis, which, alas, isn't currently compatible with v140.6.0esr
I know that I can prevent Thunderbird updates from being automatically installed, but the process of checking whether extensions are compatible is laborious, if not impossible - the ThreadVis page currently advises that it is compatible with Thunderbird 146! I would have expected it to be compatible with v140.6.0esr...
As a user, I need an option to alert me if an update is incompatible with any extensions, and advise which extensions those are, allowing me to cancel an update.
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