Microsoft have just released Windows 10 Anniversary Update build 143888 for PC and mobile. Microsoft say there are 44 fixes including battery life improvements and on the PC side there are only two known issues which relate to Hyper V and development mode. I suspect we will have a few more builds before the sign off of the Anniversary Update but it won’t be long now.

Improvements and fixes for PC

  • We have updated the Store to version 11606.1001.39 with bug fixes.
  • We fixed an issue where Narrator keyboard shortcuts would not work after locking your PC and then logging back in and going to your desktop.
  • We fixed an issue where Narrator would not read the date and time under Settings > Time & language > Date & time.
  • We fixed a TPM driver crash that could result in the device bug-checking (bluescreen) and rebooting.

PC known issues:

  • A recent fix went into place for the Hyper-V firmware that will that affect the ability to boot Windows Server 2016 Tech Preview 5 VMs with Secure Boot enabled. A fix for TP5 builds has been developed however, due to release schedules, the Insider Preview build changes will be released before the TP5 fix is released. During that time, if you try to boot a new TP5 VM with Secure Boot enabled, it will fail. The workaround is to disable Secure Boot during this period.
  • After you install this build on a PC using a non-EN-US language, you may get error code 0x80004005 when enabling Developer Mode on the “For Developers” Settings Page. Even after seeing this error message, your machine is in developer mode and you should still be able to use Visual Studio to develop Universal Windows Applications. In most cases, this error indicates that extra components required by the operating system to enable additional debugging features in Visual Studio or the Windows Device Portal could not be installed automatically.

On the mobile side there are just three fixes and two known issues:

  • We have updated the Store to version 11606.1001.39 with bug fixes.
  • We fixed the issue causing the keyboard to not show up consistently for InPrivate mode on Microsoft Edge.
  • We fixed an issue that could result in an app getting into a state after being suspended where it would be unable to launch until rebooting the device

Know issues:

  • Voice Recorder does not show up consistently as an option for Call Recording. We heard your feedback and plan to release a Voice Recorder app update via the Store soon that has the fix for this issue.
  • Wallet users are prompted for a PIN twice when using tap to pay from a locked phone. You can enter their PIN twice and tap as usual once the phone is unlocked.

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