What is Redstone?

It’s the next big update to Windows 10 slated for release in summer of 2016. Redstone Wave 2 is expected in 2017.Windows 10 is getting an Anniversary Update in summer of 2016 that introduces a number of new features and enhancements over the current November Update released in late 2015. Up until now, this update was codenamed Redstone 1 and is the first of two major updates coming under the Redstone wave.

Improvements and fixes for PC

The link to “Get more extensions from the Store” under the Extensions pane in Microsoft Edge now takes you directly to the Store to download available extensions.
We have changed the keyboard shortcut to invoke Cortana in listening mode to Win + Shift + C based on feedback from Insiders experiencing a large number of unintended activations of Cortana while in listening mode. Speaking “Hey Cortana”, when enabled in Cortana Settings, continues to invoke Cortana in listening mode as it always has.
Going forward from this build, updates to the Quick Action area of Action Center will be preserved across upgrades.
We fixed an issue where disconnecting the Surface Book from an external monitor set as primary might result in the Surface Book screen showing in portrait rather than landscape until having detached and reattached the screen.
We fixed an issue where the Settings app was showing media controls in the taskbar preview window.
We fixed an issue where dragging the file comparison or manage library dialogs between two monitors with different DPIs would result in the dialog content no longer displaying correctly
We fixed an issue where the checkmark used to indicate a selected state in app bar toggle buttons wasn’t visible in high contrast, for example in the Photos menu under “…”.
We fixed an issue where connecting to a PC using Remote Desktop when a maximized window is immediately behind the Remote Desktop dialog would result in the subsequent the Credential UI window being displayed behind the maximized window.
We fixed an issue where, with certain monitor configurations, Explorer.exe would hang after a tooltip is displaying.
We fixed an issue resulting in certain Bluetooth mice, such as the Microsoft Arc Touch Mouse, sometimes accelerating erratically when moving the cursor across the screen.
We fixed an issue where on certain webpages in Microsoft Edge when Narrator was in Scan mode and going line by line through a list of hyperlinks, Narrator wouldn’t announce the fact that these were hyperlinks.
We fixed an issue with certain websites potentially causing a memory leak and becoming unresponsive in Microsoft Edge when the LastPass extension had been enabled.