Microsoft released a surprise update to Insiders in the Beta Channel, bringing 20H2 build 19042.421 with a ton of new features. As always, there is also a long list of fixes and improvements.
Build 19042.421 RSS
Microsoft today released Windows 10 build 19042.421 to the Beta channel, and it has a ton of new features that were first seen on the Dev channel, and weren't thought to be coming in 20H2.
