Description of problem:
When I accept a meeting invitation, always sent as tentative.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
I'm using Fedora 20 with copr repository rhuges f20-gnome-3-12
Thanks for a bug report. This is fixed by  and is part of 3.12.4. There was not done an update in the COPR yet, somehow.