In 2022, Google introduced the ability to organize Google Chat spaces with in-line threading, similar to Slack’s functionality. Starting March 13, 2023, all newly created spaces in Chat will be in-line threaded. You will no longer have the option to organize them by conversation topic, where related messages and replies were grouped together in the main conversation window. Existing spaces organized by conversation topic will continue to function as they do today. However, later this year, existing conversation topic spaces will be migrated to the new in-line threaded experience. More information will be communicated once Google makes the announcement of when this will occur. Learn more about when to use and how to organize a Chat space.
According to Google, this change should begin appearing in U-M Google on March 13, 2023, and could take 15 days or longer to roll out to everyone.