As a follow up to the original message we did some further updates on the multiplayer mode and the game which is currently available in the beta branch:
To access the beta please do the following:
Follow this guide http://ds.nordicgames.at/SteamBetaBranchGuide.jpg
Under Step 1 select "Titan Quest Immortal Throne"
Password for step 4 is: nordictqitbeta
The branch for Step 6 is named publicbeta
18th July 2016
This patch adds an in-party voice chat function and larger health bars in the current UI scheme. Also after all the hero improvements it was time for the enemies to step up their game with better AI and some heroic reinforcements.
The full list of changes can be found here: http://titanquestgame.com/pcchangelog/TQ_Beta_Patch1.25_ChangelogFull.txt