Video on KB5124010, with the September feature bundle youtu.be/8MUzrvcoi0M
youtu.be
Windows 11 September 2026 Update (KB5124010): What's New?
YouTube video by phantomofearth
phantomofearth 🌳
@phantomofearth.bsky.social
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I take a look at #WindowsInsider builds and older Windows betas, with some randomness and bad jokes here and there. Twitter: @phantomofearth
![Visual Effects settings in Windows 11. Among the options is one for "Open apps maximized", which "Automatically maximize[s] app windows when they open". It is set to Off.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:lld3hsasiketetu767uagr6m/bafkreicpk247tkn22lnrre4nelnczudgsiaack2myxvx5q5t7q4jbaavhu)
![Windows 11 Insider Experimental (Future Platforms) Preview Build 29591.1000
Release date: 15 May 2026
As a reminder, these release notes apply to those who are in the Canary 29500 series Channel. As we begin the transition to the updated Windows Insider Program, all new build release notes will be labeled under the new channel names, even though Insiders in the Canary 29500 series Channel may not yet find themselves having transitioned to Experimental (Future Platforms). See the Windows Insider Blog for more details.
[Windows Update]
We’re introducing new capabilities to enhance security and improve user control over the Windows update experience. This includes:
Ability to skip updates immediately during the out of box experience (OOBE)
Extend update pauses as many times as you need
Always available options to shutdown and restart with updating
More insight on available updates to make more informed installation decisions](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:lld3hsasiketetu767uagr6m/bafkreia5wggfcymrrnl6kekru7ct2s4orciwbmcva54cdgoqd2phfynefa)