When will patch 7.31 be released in Dota 2?

I am a big fan of Dota 2 and eagerly await the release of the new patch 7.31. This is important to me because I want to learn about all the changes in the game to adapt my strategy and stay updated with the latest developments. I have encountered a difficulty as I cannot find the exact release date of this patch anywhere, and this creates uncertainty in my gaming plans.