Microsoft have released the RTM build of Redstone 4 for HoloLens, matching the version that will ship to Windows users. The new build is 17133.1004, which is the same as the fast and slow ring builds for Windows Insiders. The build is only available if you installed the Redstone 4 preview via the Windows Recovery Tool (see my post) which required a full wipe and re-install, this time it has updated via Windows Update.

My HoloLens updated without any user interaction and I cannot see any noticeable changes. Overall Redstone 4 on HoloLens is a massive improvement to the device.

Here are the official change details:

Update 1 – Build 17133.1004

Released April 3, 2018

This build is delivered over the air (OTA) through Windows Update after you’ve manually installed the HoloLens RS4 Preview using the instructions at the top of this page.

General changes, improvements, and fixes

Fixes for speech reliability and overall reliability of the product.

Known issues

Users may experience reliability issues with using voice to place Skype calls or launch apps for the first time.

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