Microsoft announces support for developing third party extensions for the Edge Sidebar - Neowin

The new support will allow developers to make Edge Sidebar extensions for Microsoft's web browser so they can offer various new functions to users of Edge, similar to the Bing Sidebar.

Microsoft Edge 105.0.1343.42 Stable fixes 8 security issues - gHacks Tech News

Microsoft Designer is available in full public preview with Edge sidebar support and more - Neowin

Microsoft Weekly: Edge Workspaces, SHA-3 in Windows, and Copilots - Neowin

How to install, add, remove, disable Extensions in Microsoft Edge browser

Microsoft Edge – Sidebar

Windows 10 Help Forums

Microsoft Weekly: Xbox Live Gold is going away, Windows 11 23H2 features in Beta Channel - Neowin

Microsoft Weekly: Xbox Live Gold is going away, Windows 11 23H2 features in Beta Channel - Neowin

New Microsoft Edge Sidebar Extensions Tips HTMD Blog

New Microsoft Edge Sidebar Extensions Tips HTMD Blog

Microsoft Edge – Sidebar

Microsoft Edge, Microsoft Wiki

Microsoft Edge Secure Network: browser VPN with 1GB free data - gHacks Tech News