What’s changing?
Oftentimes Google Chat conversations cover a wide variety of topics in a short period of time, causing you to potentially lose the context of a Chat sent earlier in the message stream.
To improve your web and mobile Chat experience in scenarios such as this, Google are introducing a feature that allows you to quote a previous message when sending a reply in a direct message, group message, or space (if configured with in-line threading).
Click on the link to find out more Google Workspace Updates: Quote a previous message in Google Chat (googleblog.com)