NOTE: If you have not already dowloaded the full Version of the AST mod you must do so in order for this patch to work. This patch is NOT the mod.
Here is the latest
patch v 1.9.1
Here, if you have already installed the 1.9 patch and don't want to download the 1.9.1 patch just copy this file into your AST mod directory. Click yes to overwrite. (Replaces the Component.txt)
Data Zip