'Share Chat' button disabled if a chat is in a Project (MacOS app and Web UI)

The “Share Chat” button is no longer working in the ChatGPT MacOS app since a few days ago. It seems to have with when I filed all of my past chats in Projects f(or better organization and ease of finding them later).

I have v.1.2025.140 (1748052662) of the app installed, running on a MacBook Pro M3 Max on MacOS 15.4.1. I just updated the app now, hoping it would fix the problem. I think I was on v 133 before that.

Why is this? The button is still visible, but it’s greyed out… is this a bug? Or is Sharing Chats a feature that is purposely not available in Chats inside Projects?

I’ve also checked the Web UI and I don’t see the Share Chat link there either for Chats inside Projects.

The Share Chat button is ungrayed and functional for new Chats not inside a Project.

How can I restore Share Link functionality for Chats within Projects? It’s critical for me. I’m on the ChatGPT Plus plan.

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