Flaws are to be expected. High-impact flaws, including data loss, are very rare, but may occur. Protect yourself with <a href="https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile">backups</a>. Low-impact flaws may not be fixed quickly, because fixes are prioritized based on impact.
Mae diffygion i'w disgwyl. Mae diffygion difrifol, gan gynnwys colli data, yn brin iawn, ond mae modd iddyn nhw ddigwydd. Diogelwch eich hun drwy <a href="https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile">copïo wrth gefn</a> eich proffil. Efallai na fydd diffygion effaith isel yn cael eu trwsio'n gyflym, oherwydd bod datrysiadau'n cael eu blaenoriaethu ar sail effaith.