Safari 15.1 Beta Now Available for macOS Big Sur and macOS Catalina

Apple on late Thursday seeded the first beta of Safari 15.1 for macOS Big Sur and macOS Catalina to developers for testing. Safari 15.1 beta is also included in the eighth beta of macOS Monterey seeded earlier this week.
The release notes for the Safari 15.1 beta are largely recycled from the initial release of Safari 15, but in our own testing, the beta appears to fix an issue where bookmarking a YouTube page would result in the browser crashing. Apple will likely be implementing additional bug