For users on Catalina, this means the version of Chrome currently running on their machine is likely the final build optimized for that OS. Once an operating system falls off the support roster, it no longer receives patches for new security vulnerabilities, feature updates, or compatibility improvements for modern web standards. This leaves the user with a difficult choice: upgrade the hardware, upgrade the OS if possible, or accept the limitations of an outdated browser.
Frequently continues supporting older macOS versions longer than Chrome. Download Chrome For Mac 10.15.7