The notes for the Company of Heroes 2 Turning Point update are over 16 pages long, and thus too big to fit even into multiple posts in the Steam Group.
So instead head over to our forums to see the complete Changelog as well as what was patched in previous updates.
The changes for today's patch are the last entry on page 2: http://community.companyofheroes.com/forum/company-of-heroes-2/company-of-heroes-2-general-discussion/67-coh-2-changelog