Every time Microsoft releases a new build of Windows 10 Preview, it releases a list of known issues for the new build. Such a list is also available for Windows 10 build 10130. For this new build, Microsoft has listed only a few known bugs.
Known issues in Windows 10 build 10130:
- Mail app may crash due to a memory error, and may not sync mail when in the background. This issue will be fixed with an update from Windows Update.
- In some cases, flyouts from the Taskbar (including Start, Cortana, Network, Battery, and Action Center) fail to fly out. This is a transient issue, and after retrying a few times it will succeed. This issue will be fixed with an update from Windows Update.
- Wi-Fi connectivity may fail at times due to a known issue. A system reboot is required to recover from this state.