After releasing a brand new Fast ring build earlier today, Microsoft has now released Windows 10 Mobile Insider Preview build 15051 to the Slow ring, replacing build 15043 in the ring.
Build 15051 RSS
Microsoft released a new Xbox Insider Preview build to the Alpha ring, bringing the build number up to 15051. It doesn't have any new features, but it does include one fix and some known issues.
Today, Microsoft released Windows 10 Mobile Insider Preview build 15051 to the Fast ring. While it doesn't contain any new features, there are some fixes, improvements, and known issues.
This week's Windows 10 Insider Preview build - so far - is 15051 for Mobile. Since we're really close to an RTM build now, there aren't any new front-facing features to be aware of.