The new build for Windows Phones includes a first preview of "Messaging Everywhere." This feature allows users to send and receive text messages from their phones directly from their Windows 10 PCs.
Simultaneously with the arrival of this feature, Microsoft has removed Skype integration in the messaging app in this build of Windows 10 Mobile. According to Microsoft, "this is so Skype can streamline your experience, replacing the integration with the Skype UWP (Universal Windows Platform) Preview app for mobile in an upcoming build."
Today's new Windows 10 Mobile test build includes support for Cortana in more languages, specifically for Spanish (Mexico), Portuguese (Brazil) and French (Canada) languages. These languages already were available in PC test builds.
Build 14327 includes a number of fixes, including fixes for an issue that caused Facebook Messenger and other apps like WeChatfrom failing to launch from Start or All Apps. But there are still app issues that aren't fixed with this build, including the appearance of duplicate apps, as well as some apps remaining stuck in the Store.