Here's an article from January talking about their updates on gen-AI disclosure: https://www.kitguru.net/desktop-pc/mustafa-mahmoud/steam-upd...
2024: All Generative AI images were banned
2025: Disclosure of all use of AI, even little things like it being used for brainstorming titles
2026: Disclosure of all AI assets
2024: All Generative AI images were banned
2025: Disclosure of all use of AI, even little things like it being used for brainstorming titles
2026: Disclosure of all AI assets