Microsoft Releases Windows 10 RS5 Build 17639 for Skip Ahead

Microsoft today released a new version of Redstone 5 to Insiders in Skip Ahead. This build contains a ton of new improvements to the Sets tabbed experience.

Microsoft today rolled out Windows 10 Preview Build 17639 for Insiders in the Skip Ahead ring. This new build comes after last week’s Build 17634 and it includes several improvements to features currently in the testing phase. Namely, enhancements to File Explorer and the Sets tabbed experience. Here is a look at what you can expect with this most recent build.

Windows 10 Redstone 5 Build 17639

Windows 10 Redstone 5 Build 17639

When Sets was first introduced to Insiders, it was a very “bare-bones” version and didn’t have a whole lot of use or functionality. However, today the company announced several new improvements to the tabbed experience. Some of the more notable improvements include the ability to drag and drop tabs to reorder apps in a set, Alt + Tab task switching, Previous Tabs, and more.

Previous Tabs Windows 10 Sets

The Sets tabbed experience is improving with File Explorer with the addition of new keyboard shortcut navigation. There’s a new UI for opening new tabs in the file menu. There are several new context menu options as well. You can right-click a folder and open it in a new tab, close tabs to the left or right, and the ability to manage Previous tabs. The company promises to bring more inclusion for desktop apps with Sets, including Office.

Sets Context Menu Options

In Settings, under “Bluetooth & other devices” you can now see if devices are connected as well as their battery levels – a pen for example.

In addition to the features listed above, here is the list of other general fixes and improvements to expect in today’s build:

  • We fixed an issue resulting in duplicate entries in Disk Management.
  • We fixed an issue that could result in certain UWP apps silently terminating when minimized.
  • We fixed an issue resulting in certain devices with BitLocker enabled unexpectedly booting into BitLocker recovery in recent flights.
  • We fixed a race condition that could result in the taskbar not autohiding after opening and closing the Start menu while a fullscreen window was visible.
  • We fixed an issue where typing in Start would switch to a blank Cortana screen if Start was open when the PC went to sleep.
  • We fixed an issue when using Arabic as your display language where after using the X to close the touch keyboard in a UWP app text field it might stop coming up automatically in that field.
  • Sometimes having too many choices can be confusing and less is more. That is why this new build has consolidated the places where users can adjust their display brightness by removing the display brightness slider in Control Panel Power Options and the “Display brightness” section under Power Options Advanced Settings. Don’t worry! You can still adjust your display brightness via Settings > System > Display settings, the Action Center, and via keyboard hot keys.

Of course, there are known issues as well other minor changes. Make sure to read Microsoft’s post for a full accounting of all known issues, features, and developer notes.

If you are an Insider in the Skip Ahead, let us know how things are working (or not working) for you in the comments below. Or, for more discussion and troubleshooting advice, check out our Windows 10 Forums.

1 Comment

1 Comment

  1. Brett

    I’m in a rural area and depend on a limited connection: although it is much faster than dial-up the performance is very reminiscent of twenty year old internet because the advertising is taking up so much bandwidth (and making the load stall and stutter) already have popups blocked, Chrome seems to have sold out to the advertisers at the expense of users (and it is expense when you’re paying for every GB)

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