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 Decides Outlook, Teams Will Open Links Using Edge by Default

Microsoft Edge - Wikipedia

Microsoft Edge – Sidebar

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

Manage the sidebar in Microsoft Edge

Windows 8 - Wikipedia

OpenAI brings 70+ ChatGPT plugins and web search to all ChatGPT Plus users - Neowin

Microsoft's argument for not allowing us to move the Windows 11 Taskbar makes no sense : r/Windows11

Latest Microsoft Edge 111 stable lets admins disable the Discover app in the sidebar - Neowin

Microsoft Edge is getting Workspaces, new security features, and accessibility improvements - Neowin

Microsoft Weekly: Windows 11 Moment 2, Windows 12, and Windows 365 - Neowin