Microsoft have released build 20279 for Window Insiders on the dev channel that stayed on the FE_RELEASE branch last week. The new build is the same as last week’s build and Microsoft are using this to “test our ability to quickly follow-up a flight with another flight”. This will probably be the last release from the Iron branch, Iron isn’t intended for a general Windows 10 release which is why there no major new features.

Here are the known issues with build 20279:

Known issues

We’re looking into reports of the update process hanging for extended periods of time when attempting to install a new build.

Live previews for pinned sites aren’t enabled for all Insiders yet, so you may see a grey window when hovering over the thumbnail in the taskbar. We’re continuing to work on polishing this experience.

We’re working on enabling the new taskbar experience for existing pinned sites. In the meantime, you can unpin the site from the taskbar, remove it from the edge://apps page, and then re-pin the site.

We’re working on a fix for an issue resulting in some users seeing error 0x80070426 when using their Microsoft account to sign into various apps. If you encounter it, rebooting your PC may resolve this.

We’re working on a fix for an issue where, in recent Dev Channel builds, no drives appear under Settings > System > Storage > Manage Disks and Volumes. As a workaround, you can manage your disks in the classic Disk Management tool.


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