For the importance level, this version of Thunderbird is unusable, at least on some systems. Not everyone will find it that easy to downgrade to 38, so it really needs to be withdrawn ASAP before too many people update to it.
For the importance level, this version of Thunderbird is unusable, at least on some systems. Not everyone will find it that easy to downgrade to 38, so it really needs to be withdrawn ASAP before too many people update to it.