Microsoft has built a working Microsoft Edge prototype that switches browser versions while keeping tabs and unfinished work open, aiming to deliver security fixes without requiring users to restart. The experimental approach preserves an in-progress form as the browser updates in the background, according to Microsoft. Users can already opt into Restart to update on idle, which applies pending updates by restarting Edge when their device is inactive.
The restart-free prototype remains in early development and has not entered production code or Chromium. Microsoft's demonstration required someone to click an Update button, but the company wants future updates to proceed without that action. Its goal is to have fixes take effect within minutes after they become available, rather than wait for someone to interrupt their work.
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Restart to update on idle, previously called Instant Updates, restores tabs after relaunching the browser. Unlike the prototype, the available feature still requires a restart, with device inactivity determining when it happens. Microsoft says this option can shorten the wait for protection from days to hours for people who otherwise postpone updates.
For administrators, Security Update Alerts are available for managed Windows devices without an extra licensing requirement. Administrators choose a severity cutoff, then receive email notifications and dashboard warnings when security fixes in a new update reach that level. The alerts also flag updates addressing zero-day vulnerabilities, helping teams identify releases requiring attention.
The Monitoring dashboard shows administrators the severity of releases, CVEs addressed and the number of managed Windows devices potentially needing updates. It also displays current versions across Edge channels, and administrators can ask users to restart or arrange automatic restarts during idle periods.
Microsoft has also issued urgent Edge security patches on its own schedule instead of waiting for Chromium releases. The company says coordinating the browser's connected processes while preserving users' work is a technical reason updates have traditionally required restarts. It argues that AI-driven acceleration in vulnerability discovery and attacks makes delays in applying fixes more consequential.
The browser work follows Windows 11 changes that Microsoft says give users greater control over update scheduling and reduce restarts by coordinating updates. That broader Windows rollout also includes memory-management changes that Microsoft says let PCs with 8GB retain up to 2GB more active data in memory.
