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Microsoft Edge 151.0.4129.59 rolls out with macOS 13+ support, removes the sidebar app list and updates Workspaces architecture – see the full feature list and
Microsoft Edge 151.0.4129.59 was released with a hard‑stop OS requirement for macOS 13 (Ventura) and a planned retirement of the sidebar app list, changes that affect both consumer and enterprise users of the Chromium‑based browser [1].
| At a glance | |
|---|---|
| Version | 151.0.4129.59 |
| macOS requirement | macOS 13 (Ventura) or later |
| Sidebar app list | Retired (new apps cannot be added) |
| Workspaces | Migrated to V2 architecture, collaboration removed |
The update marks the last Edge build that supports macOS 12 Monterey; any version 151 or newer will refuse installation on older Macs, forcing users to upgrade the operating system or stay on version 150 [1]. At the same time, Microsoft announced the deprecation of the sidebar app list, a UI element that let users pin frequently used sites and apps. New entries will be blocked and existing pins will disappear in a future patch, simplifying the browser’s side panel and removing the associated policy controls [1].
Edge’s “Workspaces” feature, introduced in 2022, is being overhauled: saved tabs now migrate from OneDrive/SharePoint to the Edge Sync service, and the collaboration/share functionality is dropped. New V2 Workspaces created after the migration remain local to each device, while existing V1 data will still be transferred for organizations that have disabled Sync via policy [1]. Additional updates include clearer third‑party cookie settings, the ability to sign in with a Google account (controlled by the NonMicrosoftAccountSignInEnabled policy), and an Intune MAM protected‑downloads path that directs files to OneDrive > Documents > Microsoft Edge > Downloads [1].
These changes signal Microsoft’s push to tighten integration with the latest Windows and macOS platforms while trimming legacy UI elements, a move that could sharpen Edge’s performance edge but also pressure users on older systems to migrate.
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