Edge just got a big Windows 11 speed boost, and Microsoft isn’t keeping the technology to itself
Microsoft Edge is the first browser to support Accelerated App Launches on Windows 11, reducing launch times for most users by 15% and up to 33% during heavy multitasking. This improvement is available for Edge version 150 and later on Windows 11 versions 25H2, 26H1, and 26H2. The speed increase specifically applies to warm launches where the browser is already running in the background or has an open window. The feature was enabled through the October 2026 non-security update KB5127936.
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- ✓ Edge version 150 and later supports accelerated app launches on Windows 11 versions 25H2, 26H1, and 26H2.
- ✓ The feature provides a 15% launch speed improvement for most users and up to 33% during heavy multitasking.
- ✓ The speed boost requires the October 2026 non-security update KB5127936 or later.
- ✓ The performance gains apply when Edge is already running in the background or has a visible window open.
What changed
Microsoft introduced Accelerated App Launches via update KB5127936 to speed up Edge browser startup.
Live updates
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Microsoft Edge gains launch speed boost via Windows 11 update
Microsoft Edge is the first browser to support Accelerated App Launches on Windows 11, reducing launch times for most users by 15% and up to 33% during heavy multitasking. This improvement is available for Edge version 150 and later on Windows 11 versions 25H2, 26H1, and 26H2. The speed increase specifically applies to warm launches where the browser is already running in the background or has an open window. The feature was enabled through the October 2026 non-security update KB5127936.
Why it matters
Many modern Windows applications run background processes or use features like Startup Boost to remain active. By routing new launch requests to these existing processes, Microsoft reduces the overhead of starting a fresh instance. This technology is intended to expand to other applications beyond the Edge browser.
What is confirmed
- Edge version 150 and later supports accelerated app launches on Windows 11 versions 25H2, 26H1, and 26H2.
- The feature provides a 15% launch speed improvement for most users and up to 33% during heavy multitasking.
- The speed boost requires the October 2026 non-security update KB5127936 or later.
- The performance gains apply when Edge is already running in the background or has a visible window open.
Still unconfirmed
- Microsoft is contributing this technology to the Chromium source.
What to watch next
- Release of Accelerated App Launch support for non-browser applications
- Performance data for Edge cold launches without background processes
confidence 95%Sources used for this update (14)
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