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Here are the fixes, improvements, and known issues in Windows 10 Mobile build 14388

It's another day and another build. Today saw the release of Windows 10 Insider Preview build 14388 for both PC and Mobile. The build follows 14385, which ended up being the first one to be released on a weekend.

You shouldn't be surprised to find that today's build doesn't contain any new features. After all, this is crunch time. The Anniversary Update is three weeks away, and Insiders can expect an RTM build soon.

There are, of course, fixes, improvements, and known issues. In fact, Dona Sarkar was specific in saying that this build contains 44 fixes, listing the most important ones. Here's what got fixed or improved in Windows 10 Mobile build 14388:

  • 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.

Here are the known 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.

  • REMINDER: We have changed the backup format for Windows 10 Mobile devices to reduce the size of the backup stored in OneDrive. As a result, if you do a backup on a device running the latest Windows 10 Mobile Insider Preview builds and move back to the released version of Windows 10 Mobile (Build 10586) and restore from your backup – your Start screen layout won’t restore and remain the default Start layout. Your previous backup also gets overwritten. If you need to go back to Build 10586 temporarily, once you are on Build 10586 you should disable backup so it doesn’t overwrite the good backup from Windows 10 Mobile Insider Preview builds.

It would seem that the list of fixes continues to get smaller. That's likely because builds are rolling out more frequently now, as well as because the Anniversary Update is getting close to done.

Of course, once the Anniversary Update rolls out, we can start looking for Redstone 2 builds, which should start arriving in mid-August.

If you're on the Fast ring, you can get build 14388 by heading over to Settings -> Update & security -> Phone update -> Check for updates. If you're not and you want to be, download the Windows Insider app and set it to Insider Fast.

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Here's what got fixed, improved, and is still broken in Windows 10 for PCs build 14388

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