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Microsoft Releases Windows 10 Build 20170

Microsoft today is releasing Windows 10 build 20170 to Insiders in the Dev Channel (formerly Fast Ring). Here’s what’s new.

Microsoft today is releasing Windows 10 build 20170 to Insiders in the Dev Channel (formerly Fast Ring). Today’s release is the follow up to build 20161. Today’s build has some new features as well as a list of fixes. Here’s a look at what you can expect.

Windows 10 Preview Build 20170

Microsoft’s Brandon LeBlanc writes: “We are excited to announce the rollout of Microsoft Launcher v6 (download here!) to the general public. This launcher is built on a new codebase allowing us to bring multiple new features to you – such as Personalized News, Landscape mode, Customizable App Icons, Bing-Supported Wallpaper, Dark Theme, and numerous performance improvements like speed to load, low memory utilization, battery optimization, and fluent animations.”

build 20170 new look and feel

Here’s a look at the Changes and Improvements to the new build:

  • As part of our ongoing efforts to update the iconography across Windows, Insiders will notice we’re introducing a new Settings icon in this build. The new Settings icon looks great on the Start menu with the theme-aware tiles introduced in Build 20161!
  • While we work on improving reliability, we’re temporarily turning off Notepad’s ability to persist open windows across restarts and updates.
  • An experimental implementation of Transport Layer Security (TLS) 1.3 is enabled by default starting with Insider Preview Build 20170. IIS/HTTP.SYS have TLS 1.3 enabled by default. SSPI callers can use TLS 1.3 by passing the new crypto-agile SCH_CREDENTIALS structure when calling AcquireCredentialsHanlde. SSPI callers using TLS 1.3 need to make sure their code correctly handles SEC_I_RENEGOTIATE.

Here is the list of fixes contained in today’s new build:

  • We fixed an issue resulting in flickering when resizing certain apps when snapped side by side in tablet mode.
  • We fixed an issue when using an IME where holding down the mouse left click key would eventually lead to input hanging.
  • We fixed an issue resulting in the master volume slider in Sound Settings not working after removing and re-pairing certain Bluetooth devices.
  • We fixed a race condition that could result in update notifications not appearing or appearing multiple times in quick succession.
  • We fixed an issue resulting in typing not working on certain keyboards in the previous flight – appreciate your patience while we investigated.
  • We fixed an issue that could result in modifier keys like Shift and CTRL sometimes being dropped over a remote desktop connection.
  • We fixed an issue resulting in a small number of Insiders experiencing an issue where Start wouldn’t launch in the previous build.
  • We fixed an issue that was increasing the amount of time it took for logoff to happen for some Insiders in the last few builds.
  • We fixed an issue resulting in some Insiders finding that their screens became dimmer after upgrading to the last few builds.

Keep in mind that Insider builds are meant for coders, IT admins, and Windows 10 enthusiasts who want to test new features and submit feedback to Microsoft.

These builds are not meant for inexperienced users. They are also not meant to run on your primary production machine. Insider builds contain many known stability issues that can cause your system to become unstable or even crash.

For more on this build’s full list of changes, known issues, and workarounds make sure to read Microsoft’s full blog post.

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