I'm also seeing this. Thunderbird 17.01 64-bit Linux Mint Debian Edition (using MATE)
I have some pretty massive IMAP folders, but no encryption. Thank you for pointing out the message pane workaround; it's awkward, but it'll do until this gets fixed or I find an alternative mail client. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/927515 Title: Thunderbird stuck at 100% CPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-consumption/+bug/927515/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
