It resolved "hard crashes" that were shutting down PS4 consoles entirely.
For the PC version, patch 1.07 was a larger download (approx. 1.2 GB) that primarily addressed minor text errors in the end credits. Security Warning
The official PS4 update was a small hotfix (~130 MB). If the file you have is several gigabytes and from an unverified source, it may be a repackaged version with unauthorized modifications. Game Context DAYS GONE - New Patch Update 1.07 (FIXED)
It fixed a bug where bike engine and exhaust sounds would cut out completely. FГЎjl: Days.Gone.v1.07.zip ...