x64 emulation rolls out for Windows 10 on ARM in latest Dev Channel release

Microsoft is back with TWO Windows 10 Insider Preview builds today, build 20274 and 21277. Build 21277 is dorsum on the usual rs_prerelease rail, and features a bunch of new improvements and changes including emoji support! On ARM PCs, this build also includes 64-scrap app emulation.

Because Microsoft is rolling out ii builds today, build 21277 is an "optional download" meaning information technology's something y'all'll have to manually click on to download if you want it. Insiders in the Dev Channel will otherwise get build 20277, which has only pocket-sized fixes in it.

The full changelog for build 21277:

Windows Insiders with ARM PCs who install this build can try out x64 emulation by installing x64 apps from the Microsoft Store or from any other location of their choosing. For more details on this feel, delight head on over and read this blog post from Hari Pulapaka!
Starting with this build, Insiders will get their beginning look at the emoji we've designed to support Emoji 12.i and 13.0! This update brings over 200 new glyphs to Windows – including bubble tea, a smile face up with tear, a ninja, a magic wand, and more:
We've updated the animation when opening or closing a window to make the transition smoother. Do yous notice a difference? Let us know!
Based on Insider feedback, you tin now apply the built-in screen snipping experience in Windows (WIN + SHIFT + S) to create a snip of your screen and paste it direct into a folder of your pick in File Explorer to save the screenshot there. Endeavor it out! (This was released to Windows Insiders in the Beta Channel as part of the recent Windows Characteristic Experience Pack update.)
Using the impact keyboard in a portrait posture on a 2-in-ane bear upon device now supports split keyboard mode. (This was released to Windows Insiders in the Beta Channel every bit part of the recent Windows Feature Feel Pack update.)
It's at present possible to uninstall the Snipping Tool. If you lot cull to uninstall it, it tin be reinstalled via the Optional Features folio in Settings.
We've made some adjustments to ameliorate the scaling logic of the graphs in Task Director's Performance tab.
Nosotros've updated Registry Editor so that the Find window, renaming a fundamental, and other places all now support CTRL + Backspace to delete words at a time.
When using the Delete key or Dismiss button in Action Center to clear groups of notifications, Narrator will now announce that the notification group has been cleared instead of only moving focus to the next notification group.
Based on feedback we're adjusting a few strings in Offline Maps Settings to improve clarity.
To help you observe what you're looking for faster, we've updated our folder logic in Start menu'due south all apps list so that if a folder only contains a single particular we volition now brandish that item in identify of the folder.

As ever, yous can check out the full changelog at the Windows Blog, including a list of known problems.

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