Windows Insiders in Fast Ring last received Windows 10 Mobile Build 14393.5 as the cumulative update Build for Anniversary update RTM Build 14393. You can read changelog and our hands-on impressions of the build by clicking links below.

Build 14393.5 Changelog

Build 14393.5 Hands-on Impressions Review

Now a new Anniversary update cumulative Build has leaked in a screenshot posted on Twitter and it has a good jump in version number from 14393.5 to 14393.31.

Windows 10 Mobile Anniversary update Build 14393.31

As expected this build may not bring any new features or major changes but may pack many fixes and improvements. Microsoft is planning to release Anniversary update starting August 2 and it will be interesting to see which 14393 build makes the cut.

Build 14393.31 seems to be a good candidate and we may see Microsoft pushing it to Insiders very soon before public release. Read our Windows 10 Mobile Anniversary update review and massive changelog + hands-on demo of changes vs Threshold by clicking on the links below.

Anniversary update Review (Video too)

Anniversary update Massive changelog & Hands-on demo of new features vs Threshold

Full Anniversary update coverage