New features in Windows 10 Build 14915 (10.0.14915.1000)

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Windows 10 build 14915 and Mobile build 10.0.14915.1000 is now rolling out by Microsoft. The information about the latest Redstone 2 build 14915 was leaked a few days ago. There were rumors that Windows insider team is working on build 14910 and going to release it too fast ring insider members. But now the company has released latest PC build 14915 and mobile build 10.0.14915 for fast ring insider members.

New in Windows 10 PC Build 14915 (10.0.14915)

Improving app and update downloads in Windows 10 with Delivery Optimization

Starting today, Windows Insiders that have Delivery Optimization enabled will be able to download new Insider Preview builds, OS updates, and app updates from other PCs on their local network as well as from other PCs on the Internet. We introduced Delivery Optimization with the Windows 10 November Update giving users the ability to get updates from PCs on a local network and are now enabling the ability to get updates from PCs on the Internet. When enabled, your PC may also send parts of apps or updates that you have downloaded using Delivery Optimization to other PCs. To check your settings for Delivery Optimization, go to Settings > Update & security > Windows Update > Advanced options and choosing “Choose how updates are delivered.”

When Delivery Optimization is used on your PC to download apps and OS updates from other PCs on your network or the Internet for the first time, you will see a notification in the Action Center.

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In addition to downloading apps, app updates and OS updates from the Windows Update servers, Delivery Optimization will look for nearby PCs on your local network or on the Internet that have Delivery Optimization enabled and find the app or OS update you need that may be even closer to your PC. Rather than downloading an entire file from one machine, Delivery Optimization breaks the download into small pieces and uses what is assessed as the fastest, most reliable source for each piece of the file. Delivery Optimization is also mindful of local disk usage, use of cellular networks, battery life, and other network activity. It is also integrated with and builds on the existing security measures in Windows Update and Windows Store to check the authenticity of each file downloaded from other PCs. Particularly for PCs with challenging network conditions, this is designed to provide a better and more reliable download experience.

Fixed in Windows 10 PC Build 14915 (10.0.14915)

  • Fixed the issue with being unable to use the power button on the Start menu.
  • Fixed the issue causing Cortana’s text to speech capabilities to not work. Cortana should be able to read text messages out loud for you, tell jokes, sing, or give verbal prompts as expected.
  • Fixed the issue causing the Settings app to crash on certain editions of Windows 10 when navigating to different settings pages due to a missing .dll file.
  • We made a number of improvements to translations, including fixing an issue in Windows Update where it would say “your phone is up to date” in French when confirming that your PC was up to date.
  • Changing functionality via Settings > Update & security > Windows Insider Program such as your ring settings should now work again on this build. For more information
  • Build 14915 fixed a compatibility issue from a recent platform change that causes apps such as Yahoo Mail, Trivia Crack, Google and the Skype Translator Preview app to crash.
  • Build 14915 We fixed an issue resulting in some Insiders experiencing a delay in Mail notification toasts appearing.
  • We fixed an issue where the “Open with” dialog’s “Look for another app on this PC” link wasn’t working if the dialog appeared after using the “Run” dialog to open a file with an unassociated file type.
  • Build 14915 have updated the Connect flyout so that the clickable area for each device listed now spans across the full width of the flyout.
  • We fixed an issue where if a Chinese Input Method Editor is active it could result in logging in to not succeed after device goes into and is woken up from Connected Standby.
  • We fixed an issue where for certain websites in Microsoft Edge, using CTRL + A to select all text and then copying it and trying to paste it into Notepad wouldn’t paste anything.
  • We fixed an issue where importing favorites into Microsoft Edge from Internet Explorer would fail if the Favorites folder had been redirected to another folder, for example “C:\Users\<user>\Documents\Favorites”.

Known issues in Windows 10 Build 14915

  • Adobe Acrobat Reader crashes when you try to launch it.
  • You may experience a black screen when signing out and switching to another user account and will be unable to log in to that account. A reboot of your PC should allow you to log in to that account.
  • Bash may not work after upgrading to this build. To get it working again, go to “Turn Windows features on or off”, scroll down and check “Windows Subsystem for Linux (beta)” and click ok.  After a reboot, Bash should work again.
  • The Settings app may crash when going to Settings > Personalization.
  • [Newly Added 9/1] You will lose wireless network connectivity after upgrading to this build on a Surface Pro 1 or Surface Pro 2.

Improvements and fixes in Mobile Build 10.0.14915.1000

  • We fixed the issue causing apps to get stuck in a pending state if you move apps between a SD card and internal storage (either direction).
  • We fixed the issue causing Cortana’s text to speech capabilities to not work. Cortana should be able to read text messages out loud for you, tell jokes, sing, or give verbal prompts as expected.
  • Changing functionality via Settings > Update & security > Windows Insider Program such as your ring settings should now work again on this build. For more information
  • We fixed a compatibility issue from a recent platform change that causes apps such as Yahoo Mail, Trivia Crack, Google and the Skype Translator Preview app to crash.
  • We made a number of improvements to translations, including fixing an issue with Store app install notifications, where the wrong verb was used in German when letting you know to check out the app.
  • We have updated “You need to fix your MSA” notification toast logic, so it will no longer notify you multiple times in quick succession.
  • We fixed an issue where examining Microsoft Edge’s advanced settings would result in subsequent downloads in Edge saving to the default locations, rather the preferred locations set under Settings > System > Storage.
  • We fixed an issue for Continuum-capable devices that could result in being temporarily unable to connect to a previously paired Windows 10 PC.
  • We have updated the settings for sounds so that .mp3 or .wma files downloaded straight from OneDrive or copied from File Explorer to the phone’s Ringtones folder will now display automatically in the list of available sounds for ringtones, alarms and notifications.

Known issues for Mobile Build 10.0.14915

  • You will be unable to download and install additional speech and language packs in this build.

Previously, the company released Windows 10 Mobile build 10.0.14905 for insiders. Microsoft warned insider members that initial Redstone 2 builds will be more buggy than usual. Microsoft next major updates Redstone 2 and Redstone 3 are coming in 2017.