Update: Microsoft Windows 10 build 16188 is now available for Fast Ring Insider members. The company also released mobile build 10.0.15210.0.

New in Windows 10 Redstone 3 build 16188

Awesome new features in Microsoft Edge’s PDF Reader:

In addition to addressing a lot of Insider feedback on PDF functionality in Microsoft Edge, this build is also packed with a bunch of new features for reading PDFs in Microsoft Edge that we want you to check out. Here is the description of the features to look out for:

  • PDF Form filling: Every now and then we encounter forms to be filled which are in PDF format. Now you can fill in PDF-based forms within Microsoft Edge, save them and print them!
  • PDF Annotations: The annotations capability in the browser is now extended to PDFs as well. You can use the “Make a Web Note” button on the top right of browser frame to invoke an annotations bar.

Make Web Note button

Using different modes in the annotations bar, you can ink on the PDF, highlight text and erase your annotations. You can save the work onto the PDF file for later use.

  • Table of Contents for easier navigation: For reading longer documents, you can now use the Table of Contents (ToC) feature for easier navigation. You will see the ToC button on the left of the PDF toolbar if the document has ToC defined by the author. Click on any heading in the side pane to navigate to that part of the document.
  • Better viewing and navigation: Sometimes PDF documents, such as documents that are copies of documents scanned in, are not in the proper orientation and need to be rotated to view them properly. Now you can rotate the PDF documents for better readability. Look for the rotating button in the toolbar. Also, it is important to be able to adjust the reading layout of the files to best suit user’s needs based on the screen size, type etc. Using the “Layout” flyout menu on the toolbar, now you can switch from one page to two-page layouts and change to page-wise scrolling for better navigation experience for longer documents.

Windows Defender Application Guard:

With Microsoft Windows 10 build 16188 Windows Defender Application Guard for Microsoft Edge is now available in Windows Insider Previews for Enterprise users in the Fast Ring. Microsoft Edge running in Application Guard provides enterprises the maximum level of protection from malware and zero-day attacks against Windows. Insider team made it easy to test drive Microsoft Edge with Application Guard. First, turn on Windows Defender Application Guard using the “Turn Windows features on or off” dialog. Select the checkbox as shown below for Windows Defender Application Guard.

Enable Windows Defender Application Guard

Click OK and then restart your computer.

Next, open Microsoft Edge and then click the Edge menu. You’ll see a new menu choice for “New Application Guard window.”

New menu choice for “New Application Guard window.”

Ninjacat Icon for Windows Insider Program in Settings: Check out the new Ninjacat icon representing the Windows Insider Program under Settings > Update & security > Windows Insider Program.

Cortana’s settings have been integrated into Settings:

Cortana is a core component of Windows and users look to the Settings app to find Cortana’s settings. With Microsoft Windows 10 build 16188, insider team made the change to migrate all of Cortana’s settings into Settings. You can access them by clicking the settings gear in Cortana, going to Settings > Cortana, or just searching for the setting you’re interested in.

Cortana settings now in Settings app

A reimagined Magnifier Settings page:

In order to improve the experience both for low vision users, as well as casual Magnifier users who use it for presentations or quick zooming, Microsoft Windows 10 build 16188 updated the Magnifier Settings page. Insiders will notice that the page has not only been redesigned but also comes with a few new features, namely:

  • You can now easily follow Narrator around the screen with Magnifier by selecting “Follow the Narrator cursor”.
  • Embedded a list of all the available Magnifier shortcuts into the Settings page for quick reference.
  • You can now zoom using your mouse wheel by holding down a key combination (Win + Ctrl)
  • Microsoft Windows 10 build 16188 added an option to open the Magnifier settings from anywhere in the OS by pressing Ctrl + Win + M.
  • You can now set your preferred Magnifier mode in Settings.
  •  Added an option to select your preferred zoom increment when using Magnifier.

Fixed in Windows 10 build 16188.1000

  • FWepve fixed an issue resulting in the candidate window not appearing when typing in certain apps when using Simplified Chinese IMEs or the Changjie and Quick IMEs
  • Fixed an issue where explorer.exe would crash and restart if you tapped any of the apps listed in the Windows Ink Workspace’s Recent Apps section.
  • Double-clicking the Windows Defender Security Center icon in the notification area will now open Windows Defender Security Center.
  • Universal dismiss of Cortana reminders is now enabled across Windows devices on this build or higher.
  • Localized apps on localized x64 Windows 10 Insider Preview builds will now work. We believe this will also address the issue some Insiders were reporting where the Open and Save dialogs weren’t opening in certain desktop (Win32) apps.
  • Fixed an issue resulting in decreased Action Center reliability in recent flights.
  • Fixed an issue with the Chinese Pinyin IME where typing a sequence of characters beginning with ‘hu’ into certain apps would result in an unexpected delay before the candidate window updated to reflect the current composition.

Known issues in Windows 10 build 16188

  • PC Reset via Settings > Update & security > Recovery will not work on non-English Insider Preview builds.
  • Some Insiders have reported seeing this error “Some updates were canceled. We’ll keep trying in case new updates become available” in Windows Update.
  • Surface 3 devices fail to update to new builds if an SD memory card is inserted. The updated drivers for the Surface 3 that fix this issue have not yet been published to Windows Update.
  • Navigating to Settings > Update & security > Windows Update may crash Settings app. You can simply re-open the Settings app again and it should work again.
  • Navigating to Settings > Personalization > Lock screen may crash Settings app.
  • Outlook 2016 may hang on launch due to an issue where the spam filter gets stuck reading the Outlook Data File and the UI waits indefinitely for it to return.
  • Your PC may hang when shutting down the PC.
  • In certain cases, Start may fail to launch but launches normally on the second try.

Update 2: Microsoft Windows 10 build 16188 ISO now available for download from here.



Original Story:
Microsoft is now testing Windows 10 build 16188 for PC. The new Microsoft Windows 10 Redstone 3 build 10.0.16188.1000 (rs_prerelease.170430-1928) was compiled on April 30, 2017. Windows Insider team is also testing Windows 10 Mobile build 15210 (10.0.15210.0 feature2).

Recently, Microsoft also released first Windows 10 Redstone 3 build 16184 and Mobile build 10.0.15208.0 feature 2 for Fast Ring Insiders.

Official Windows 10 Mobile Creators Update build 15063.251 is now available for download. However only selected Windows phones will receive the update. Read more details here.

Download Windows 10 build 16184 ISO

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