Latest version of geary is 0.5.3 ftp://ftp.gnome.org/pub/GNOME/sources/geary/0.5/ Version in Fedora 20 is 0.4.3.
I've built Geary 0.6.0 for F20. Note that 0.5.X was a development version, and normally these don't get pushed to released versions of Fedora.
geary-0.6.0-1.fc20 has been submitted as an update for Fedora 20. https://admin.fedoraproject.org/updates/geary-0.6.0-1.fc20
Package geary-0.6.0-1.fc20: * should fix your issue, * was pushed to the Fedora 20 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing geary-0.6.0-1.fc20' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2014-4238/geary-0.6.0-1.fc20 then log in and leave karma (feedback).
geary-0.6.0-1.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.