Apple today seeded a second RC version of an upcoming macOS Big Sur 11.2 update to developers for testing purposes, with the new update coming a week after the first RC and two months after initial macOS Big Sur release.
Developers can download the updated macOS Big Sur 11.2 release candidate using the Software Update mechanism in System Preferences after installing the proper profile from the Apple Developer Center.
macOS Big Sur 11.2 eliminates a feature that allowed Apple apps bypass third-party firewalls, security tools, and VPN apps. macOS Big Sur 11 included a ContentFilterExclusionList that let Apple’s apps like the App Store, Maps, iCloud, and more to avoid firewall and VPN apps that users had installed. These apps were not able to filter or inspect traffic for some built-in Apple apps. That functionality has been removed in macOS Big Sur 11.2.
Read more at MacRumors.com