How can a beta version of an addon be installed?
I may like to try adding the beta version of ReplyWithHeader, but I can't find the option to do so. The version history doesn't even list the beta version. I'm using Thunderbird 68.2.2.
I may like to try adding the beta version of ReplyWithHeader, but I can't find the option to do so. The version history doesn't even list the beta version. I'm using Thunderbird 68.2.2.
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Instructions here: https://support.mozilla.org/en-US/questions/1276885