The FALL 2021 release (21H2) appears to be more significant for new features based on latest public updates.  Still a smaller 21H1 is scheduled later in Spring 2021

Microsoft finally acknowledges the Windows 10 21H1 update – Neowin

Microsoft has finally acknowledged the next Windows 10 update, version 21H1, publicly. The company has adopted a twice-a-year release cadence for its Windows 10 feature updates for a while now, but it’s been unusually quiet about the update we’d expect this spring. Now, it has finally shown up in a blog post on the Tech Community forums, and it seems like it will be a pretty small update.   The post is about the Windows Hardware Compatibility Program, and the changes that version 21H1 will bring – or rather, the changes it won’t.