
To permit such cookies, web developers can mark cookies which should be set from and sent to third-party contexts by adding explicit SameSite=none and Secure attributes when the cookie is set. This change can cause compatibility impact on websites that require cookies for third-party resources to function correctly. This means that cookies will only be sent in a first-party context and will be omitted for requests sent to third-parties. To improve web security and privacy, cookies will now default to SameSite=Lax handling by default. For more information, see the automatic profile switching blog post. The automatic profile switching currently available in Microsoft Edge on Windows 10 is extended to downlevel Windows (Windows 7 and 8.1).

The rollback feature lets administrators revert to a known good version of Microsoft Edge if there's an issue in the latest version of Microsoft Edge.

Roll back to previous Microsoft Edge version.
