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Published onMay 21, 2021

published onMay 21, 2021

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Microsoft has just released theWindows Insider build 21387for Dev Channel Insiders, which includes no new features and actually removes two things from the OS. The soon-to-be-retired Internet Explorer 11 is gone in this build, and so is thenew “Eco mode” feature in Task Manager that made its debut in an April 21 flight.

The new Eco Mode in Task Manager could throttle process resources for certain apps to give the priority to other activities, but the Windows Insider team has removed it in this build “in order to refine the experience and address several issues thanks to Windows Insider feedback.” Today’s build 21387 also brings various bug fixes and you can check the full list below:

Changes and Improvements

Fixes

Known issues

It’s pretty rare for the Windows Insider team to release new builds on a Friday, and today’s flight is definitely a minor one. With Microsoft’s Build developer conference set kick off next week on May 25, we hope that the Windows Insider team will use this opportunity to flight another build with interesting new features.

Radu Tyrsina

Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time).

For most of the kids of his age, the Internet was an amazing way to play and communicate with others, but he was deeply impressed by the flow of information and how easily you can find anything on the web.

Prior to founding Windows Report, this particular curiosity about digital content enabled him to grow a number of sites that helped hundreds of millions reach faster the answer they’re looking for.

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Radu Tyrsina

With KB5043178 to Release Preview Channel, Microsoft advises Windows 11 users to plug in when the battery is low#

Copilot in Outlook will generate personalized themes for you to customize the app#

Microsoft will raise the price of its 365 Suite to include AI capabilities#

Death Stranding Director’s Cut is now Xbox X|S at a huge discount#

Outlook will let users create custom account icons so they can tell their accounts apart easier#

Windows 10 Insider build 21387 drops IE 11 and Task Manager’s new Eco Mode#

Changes and Improvements#

Fixes#

Known issues#