Microsoft Edge Dev Build 78.0.256.2 is now rolling out to users with new features and several bug fixes. The update adds Collections support, built-in abusive ad blocker that was added to Chromium last year, and more. Windows 10 s native share functionality is included in today’s update and it should allow users to share content with friends and coworkers via Twitter, Email and other mediums. Microsoft is also removing the following features: The default theme alert in the F12 Dev Tools has been removed.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-edge-dev-update-released-with-new-features/