Tonight, Microsoft released build 14342.1003 for the Fast Ring. This build is similar to build 14342 but includes some additional fixes to improve reliability and performance. Furthermore it fixes some issues people had with Microsoft Edge. Build 14342.1003 is available for PC and Mobile.
There is also a new build for the Slow Ring. Insiders in this Ring can now get build 14342.1003 which adds many new features like Windows Ink. This build is only available for the PC.