Chat and Rooms are now resizable in Gmail on the web

The Chat and Rooms sections in the left-side navigation of Gmail on the web are now resizable. This makes it easier to stay on top of your most important conversations and navigate to relevant chats faster. To resize a section, click on a section header and drag to adjust as needed. 

It is available to Google Workspace Essentials, Business Starter, Business Standard, Business Plus, Enterprise Essentials, Enterprise Standard, and Enterprise Plus, as well as G Suite Basic, Business, Education, Enterprise for Education and Nonprofits customers.