zdnet[.]com/article/microsoft-plans-for-single-screen-windows-10x-rollout-in-spring-2021-dual-screen-in-spring-2022/
The latest release or update, Win10 2004, now called 20H1, will get what acts like the usual monthly cumulative update this fall, but it will include a few new features. Presumably it'll get something similar in the spring of 2021, though no one has said so publicly AFAIK. Then in the fall of 2021 we'll see 21H2, which will be a full install. An Insider build just out in the Beta [Slow] ring probably has most if not all of the new features you'll see in 20H2, if you install it. The biggest change I saw so far regards the Control Panel -> System screen, which I visit before a backup to delete any restore points. It's no longer there. Instead the link opens a new window in Settings -- the link to set & delete restore points is on the right.
neowin[.]net/news/heres-whats-fixed-and-improved-in-windows-10-build-19042421
neowin[.]net/news/microsoft-releases-windows-10-build-19042421-with-a-ton-of-new-features
If you follow the 1st link up above you'll see the reason for all of this is the lighter weight Windows that Microsoft has been working on for years. Microsoft wants to try a subscription-based Windows 10 VM delivered from the cloud, that could be used as a thin client, or perhaps some sort of alternative to chromebooks on really low end hardware, where the device you use only has to display the screen streamed from a cloud-based VM. This lighter weight Windows, Windows 10X [for now], is what they want to use -- they also want to sell some new hardware with it installed. To do that they need to finish Win10 X in the spring, and Microsoft is afraid their engineering talent [such as it is] isn't up to the task of shipping Win10 X Plus Win10 21H1. [With Microsoft no longer even trying to publicly acknowledge all the bugs people are experiencing in Win10 20H1, I imagine they're more than acutely aware of their talent's shortcomings.]