Dota Allstars 6.66b is gonna be the next release of DotA-Allstars series. As IceFrog made some unexpected changes in the DotA 6.66 so, there is a possibility of bugs/exploits in this release. IceFrog will release DotA 6.66b map to fix the bugs/problems if there left any.
As usual, this post is created to provide you the upcoming updates. If you have found any Dota 6.66 bug or something unusual feel free to shout using the comment form!
Dota 6.66b Map