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Microsoft Releases Windows 10 Build 20277

Microsoft today is releasing Windows 10 preview build 20277 to Insiders in the Dev Channel. This build follows up last week’s build 20270 which introduced some new features to Cortana. There are a few fixes and improvements in today’s build. Here’s a look at what you can expect.

Note: Starting with this build, Insiders in the Dev Channel have the option to receive builds from the RS_PRERELEASE branch. They will be offered as an optional update for “seekers” who manually go to Settings > Update & Security > Windows Update and check for new builds. Starting today seekers can install build 21277.

Here is what Microsoft says regarding the announcement:

Starting today, we are giving Windows Insiders in the Dev Channel the option to receive builds from the RS_PRERELEASE branch. These builds will be offered as an optional update through the “seeker” experience in Windows Update. This means Insiders will have to go and choose to install the currently offered RS_PRERELEASE build. Today, Insiders can choose to install Build 21277. Once they do, they will continue to receive RS_PRERELEASE builds going forward.

Insiders who choose to stay put will continue to automatically get builds from the FE_RELEASE until we move all Insiders in the Dev Channel to receiving RS_PRERELEASE builds sometime after the holidays.

Windows 10 Build 20277

Here is the list of fixes contained in today’s release:

  • We fixed an issue that could result in the WinRE volume label being lost after multiple upgrades.
  • We fixed an issue that could result in apps failing to update with error code 0x80073D02.

Keep in mind that Insider builds are meant for coders, IT admins, and Windows 10 enthusiasts who want to test new features and submit feedback to Microsoft.

These builds are not meant for inexperienced users. They are also not meant to run on your primary production machine. Insider builds contain many known stability issues that can cause your system to become unstable or even crash.

For more on this build’s full list of changes, known issues, and workarounds make sure to read Microsoft’s full blog post.

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