"public BETA testing" and will be out soon.
This means it will "not automatically update" to Patch 1.5 as users need opt in via their Steam Library. This patch focuses solely on Campaign Map frame rates.
"We have taken the decision to move back Patch 2 slightly to increase the amount of fixes included in it. We will have more news on it later this week," the team.
The studio describe how to access Patch 1.5 ahead of its official release: "In your steam game library, right click Total War: Rome II. Then choose Properties and select the BETAS tab. Finally select “patch1.5” from the drop down list."
"Please do be aware that this may not work or solve your specific issue and you take part in any beta tests at your own risk. If you do not wish to assume that risk please wait for the official live update."
Creative Assembly has apologised to fans for the launch issues plaguing Total War: Rome II, and pledge to release patches to addresses serious issues in the coming weeks.