This choice has the advantage of forcing a <a href="https://support.mozilla.org/en-US/kb/dedicated-profile-thunderbird-installation">dedicated profile</a> for each Thunderbird, which allows you to have both the release version and the beta version operate independently. So you can:
Mantais y dewis hwn yw gorfodi <a href="https://support.mozilla.org/en-US/kb/dedicated-profile-thunderbird-installation">proffil pwrpasol</a> ar gyfer pob Thunderbird, sy'n caniatáu i chi gael y fersiwn rhyddhau a'r fersiwn beta yn gweithredu'n annibynnol. Felly gallwch chi: