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.

5 Microsoft Edge (and Chrome) extensions everyone should use

Discussion Thread - Google Chrome Stable Channel Updates, Page 8

How to Customize the New Sidebar in Microsoft Edge

New Microsoft Edge Sidebar Extensions Tips HTMD Blog

Microsoft Edge – Sidebar

Microsoft Edge – Sidebar

Windows 10 Help Forums

Edge may soon save screenshots of every page you visit - gHacks Tech News

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

Microsoft Edge is getting new theme options soon - gHacks Tech News

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

Microsoft's new Edge will ship without ARM64 support, history sync, and extension sync - Neowin

New Microsoft Edge Sidebar Extensions Tips HTMD Blog