At the time of reporting my system was in a unsupportable half-upgraded state between Yakkety and Zesty. Obviously given that it's hard to expect stability, but I've since fixed that and am running a proper Zesty environment (with Evolution 3.22.6-1ubuntu1). I and am still seeing the issue.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to evolution in Ubuntu. https://bugs.launchpad.net/bugs/1685053 Title: Content of open message windows becomes blank when Evolution receives new mail Status in evolution package in Ubuntu: New Bug description: I have evolution configured with an imapx connection to my mail provider. If I've opened any number of messages (each in its own message window), all message displays turns white when any new mail arrives. ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: evolution 3.22.6-0ubuntu0.1 ProcVersionSignature: Ubuntu 4.8.0-45.48-generic 4.8.17 Uname: Linux 4.8.0-45-generic x86_64 ApportVersion: 2.20.3-0ubuntu8.2 Architecture: amd64 CurrentDesktop: GNOME Date: Fri Apr 21 12:07:37 2017 InstallationDate: Installed on 2015-12-07 (501 days ago) InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021) ProcEnviron: LANGUAGE=en_AU:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_AU.UTF-8 SHELL=/bin/bash SourcePackage: evolution UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/1685053/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp