The stable channel has been updated to 54.0.2840.87 for Windows, Mac, and 54.0.2840.90 for Linux. This will roll out over the coming days/weeks.
A list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.