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Microsoft released new Windows 10 Insider Preview Build 17639 for Skip Ahead Insiders

Microsoft has released a new Windows 10 build for Insiders who opted for Skip Ahead. This desktop build, build 17639 contains many new improvements and features straight from the RS5 roadmap.

This update packs in the second major update for Sets on Windows 10. This build also includes a minor fix to Windows Calculator, which incorrectly used to calculate square roots of perfect square numbers. Bluetooth devices that support sharing battery info will now display the battery percentage in Settings.

Here’s what new (via Windows Blog):

The next wave of Sets improvements is here

What belongs together stays together – we designed Sets to help you keep webpages, documents, files, and apps connected. We’ve been hard at work since our first wave of Sets improvements for RS5, and when you install today’s build you’ll find:

Drag and drop app tabs within and between Sets windows is now supported: It works just like it sounds! You can now drag an app tab around within the Set or combine tabbed app windows into Sets.

Note: If you open a Microsoft Edge tab outside of a Set, you can’t drag and drop it into a Sets window. Drag and drop for Microsoft Edge web tabs within Sets isn’t supported yet and you may experience a crash if this is attempted.

Tabs are now bubbled up in Alt + Tab: Have Photos, Microsoft Edge, and OneNote tabbed together? You can now use Alt + Tab to switch between them. Prefer to only show the primary window in Alt + Tab? There’s a new setting – more on that in just a moment…

Note: If you have multiple Microsoft Edge windows in a Set, only the one most recently accessed will be visible in Alt + Tab.

Improved Settings for Sets: We’ve updated the Settings for Sets via Settings > System > Multitasking. To start with, Sets now has its own section on this page, and is searchable (try typing “Sets” or “tabs” and it will appear in the dropdown). We’ve also added a setting to control the Alt + Tab behavior mentioned above.

New Sets section highlighted under Multitasking Settings.

File Explorer & Sets Improvements: We’ve heard your feedback – you’d like it to be easier to get two File Explorer windows grouped together, and we’re working on it. To start with, you no longer need to hold CTRL on the new tab page to launch a File Explorer window in a tab (this was a temporary necessity with the last wave). We’ve also added a new keyboard shortcut to open a new tab when a File Explorer window is in focus: Ctrl + T. Remember, you can use Ctrl + N to open a new window, and Ctrl + W to close the window/tab.

Finally, we’ve added some new UI for easily opening new tabs and windows in the File Menu.

Showing File Explorer’s File menu, with new Open new tab option.

 

And also, in the context menu when right-clicking on a folder.

Showing a folder’s context menu in File Explorer. Open in a new tab is highlighted.

New context menu options for tabs in Sets: If you right-click on a Sets tab, you’ll discover we’ve added several options for you to leverage, including “close other tabs”, “move to new window”, and “close tabs to the right”.

Showing context menu for a tab in Sets, has Close tab highlighted.

Improvements to Previous Tabs: We’ve done a few things to improve the experience in this space, including:

• You can now pick and choose which Previous Tabs you want to restore, instead of only being able to restore all tabs.

  • You can now pick and choose which Previous Tabs you want to restore, instead of only being able to restore all tabs. Note: if you use the Sets activity card in Timeline, it will automatically restore all tabs.
  • You can now restore Previous Tabs from any type of activity – whereas with the previous wave of features we only supported restoring tabs when the primary window was a document.
  • When you open a document that previously had tabs, a prompt will appear offering to restore those tabs, and the Previous Tabs button will be in the filled state. For things that aren’t documents, a prompt will not automatically appear, but you’ll know that there are tabs available to restore because the Previous Tabs button will be in the filled state.
  • We added an animation to the experience when there are no Previous Tabs available to be restored.

Other Sets improvements and fixes based on your feedback, including:

  • We fixed an issue where the active tab color wouldn’t be visible until you hovered over it.
  • We’ve been working on our polish, and you’ll notice that switching between open tabs is now a lot smoother.
  • We’ve improved the reliability when restoring tabs, fixing some issues where tabs didn’t restore as expected.
  • We fixed an issue where closing a tab in a Set then immediately opening a new tab might result in the window unexpectedly maximizing.

Here are a few things we’re still working on that aren’t quite finished/resolved yet:

  • File Explorer ribbon doesn’t stay pinned open across restart.It may take some time for the app exclude list in Sets settings to populate the first time it’s opened.
  • Sometimes it takes two tries to bring up an inactive tab from the taskbar.
  • There’s a chance that you may see an unexpected second row of tabs when you open the new tab page.
  • When you launch an app or website from the new tab page, there’s a chance focus will change to a different tab.
  • The “filled” state of the restore icon in Sets will remain filled even though you’ve restored all tabs.
  • We’re aware of an issue that causes Narrator to read extra text when invoking Alt + Tab, and we’re working on a fix.
  • The new tab may sometimes open blank. Closing the tab then opening it again should resolve this issue.

Coming soon: We’re planning to enable Sets for more Win32 (desktop) apps including Office! In order to try this new experience out with Office, you’ll need to be an Office Insider running the latest Office builds. Sign-up to be an Office Insider today if you aren’t already!

Bluetooth battery percentage in Settings

In Bluetooth & other devices Settings, you can now check the battery level of your Bluetooth devices. For Bluetooth devices that support this feature, the battery percentage will update whenever your PC and the device are connected.

Bluetooth page in Settings. Shows Surface Pen with 71% battery.

Windows Calculator Improvements

Windows Calculator has been updated (version 10.1803.711.0) to now correctly calculates square roots for perfect squares (integers that are squares of other integers). Because of the arbitrary precision arithmetic library used by the Calculator app, the square root calculation is an approximation calculated using the Exponential Identity function.

Previously, when you would calculate the square root of 4, the result would be 1.99999999999999999989317180305609 which would be rounded to 2 when displayed, because we calculated enough digits to do the rounding correctly. However, as soon as you subtract 2, you would see the remaining digits.

After this update, the square root calculation now recognizes perfect squares and correctly returns exactly 2 for the square root of 4.

The update is rolling out to Insiders who’ve opted in for Skip Ahead. If you too want to try out this build make sure you’ve enrolled as an Insider as well as selected “Skip Ahead to next release of Windows 10” in Settings> Update & Security> Windows Insider Programme. If you’re already on Skip Ahead, check for update in Settings> Update & Security.

Source Windows Blog
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