I solved this problem by upgrading libpcre3 to the latest version. It was being held back previously.
>From /var/log/dpkg.log: 2017-08-31 08:23:51 upgrade libpcre3:amd64 1:8.31-2ubuntu2.2 2:8.39-3 2017-08-31 08:23:51 upgrade libpcre3:i386 1:8.31-2ubuntu2.2 2:8.39-3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1713734 Title: evolution compose window freezes when enter key is pressed at the end of a non-empty line To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/1713734/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
