Amongst all of the changes included in Patch v1.0.72 (whose thread is visible in General forum), a few pop out that might have some relevance on modding:

Originally Posted by Lar_q

- Save games are packed and compressed now
Divinity Engine Toolkit
- Fixed stability issues in certain preview panels
- Fixed uploading to the Steam workshop
- Fixed issues when trying to mod the story files

(quote shortened considerably for brevity)

The updates are still downloading for me, so has anyone been able to check out these new changes yet?