Today, Microsoft released Windows 10 Insider Preview build 18850 to the Skip Ahead subset of the Fast ring. Naturally, there are a whole bunch of fixes, improvements, and known issues.
Build 18850 RSS
This week's Windows 10 Insider Preview from the 20H1 development branch is build 18850. As usual, it's only available for Insiders that enrolled in the Skip Ahead subset of the Fast ring.