Arcadegeddon has been updated to version 1.13 today by Illfonic. You can find out the complete patch notes for this update from here.
This patch is following a hotfix that was released after the last major update that added a new character, localization, and more. You can get the details on this update below, or take a look at the official website.
Arcadegeddon Update 1.13 Patch Notes
Here are the full patch notes for the last major update 0.3.0.