UPDATE 5/15:
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As a reminder, these release notes apply to those who are in the Experimental (26H1) channel, formerly known as the Canary 28000 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 28000 series Channel may not yet find themselves having transitioned to Experimental (26H1). See the Windows Insider Blog for more details.
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blogs.windows.com
Check Windows Updates
UUP Dump:
64-bit ISO download:
ARM64 ISO download:
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KB5089497 Windows 11 Insider Experimental (26H1) build 28020.2134 - May 15
Windows Insider Blog: Source: Check Windows Updates UUP Dump: 64-bit ISO download: https://uupdump.net/selectlang.php?id=2a77a416-ef83-479b-95ac-8271b8df8207 ARM64 ISO download: https://uupdump.net/selectlang.php?id=32e75ccb-7a36-4636-a3b2-4be4eca75ceb...
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Windows Insider Blog:
As a reminder, these release notes apply to those who are in the Experimental (26H1) channel, formerly known as the Canary 28000 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 28000 series Channel may not yet find themselves having transitioned to Experimental (26H1). See the Windows Insider Blog for more details.
Microsoft improving your Windows Insider experience for Windows 11
Windows Insider Blog: Hello Windows Insiders, Today is the day we’re beginning to move to the new Experimental and Beta channels as announced earlier this month. As a reminder, most Insiders, those who are in the Dev and Beta channels today will transition to the new channels over time as...
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Enable or Disable Get Latest Updates as soon as available in Windows 11
This tutorial will show you how to turn on or off "Get the latest updates as soon as they are available" in Windows 11. Starting with Windows 11 build 22621.1635, Microsoft added a new "Get the latest updates as soon as they are available" toggle under Settings > Windows Update. When you turn...
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Changes and improvements gradually being rolled out*
This update includes a small set of general improvements and fixes that improve the overall experience for Insiders running this build on their PCs.[Input]
- Improved the reliability of typing when using the ADLaM keyboard.
- Improved performance of opening clipboard history.
[Fonts]
- We’ve made some font improvements, including updating the Leelawadee UI font family for the Thai, Lao, Khmer, and Lontara scripts to help improve glyph sequencing, positioning, and rendering for these scripts.
Reminder for Windows Insiders in the Experimental (26H1) channel
- These builds can be unstable and may be released with limited documentation.
- The builds we release to the Experimental (26H1) channel represent the latest platform changes early in the development cycle and should not be seen as matched to any specific release of Windows. Features and experiences included in these builds may never get released as we try out different concepts and get feedback. Features may change over time, be removed, or replaced and never get released beyond Windows Insiders. Some of these features and experiences could show up in future Windows releases when they're ready.
- Many features in the Experimental (26H1) channel are rolled out using Controlled Feature Rollout technology, starting with a subset of Insiders and ramping up over time as we monitor feedback to see how they land before pushing them out to everyone in this channel.
- The desktop watermark shown at the lower right corner of the desktop is normal for Windows Insider pre-release builds.
- Some features in active development we preview with Windows Insiders may not be fully localized and localization will happen over time as features are finalized. As you see issues with localization in your language, please report those issues to us via Feedback Hub.
Source:
Experimental (26H1) Preview Build 28020.2075 - Windows Insider Program
Release notes for Experimental (26H1) Preview Build 28020.2075
learn.microsoft.com
Announcing new builds for 8 May 2026
Hello Windows Insiders, We continue to expand the rollout of the new WIP changes to those channels already announced. We have not yet begun moving Insiders in Canary 29500 Series Channel or
blogs.windows.com
Check Windows Updates
UUP Dump:
64-bit ISO download:
Select language for Windows 11 Insider Preview Feature Update (28020.2075) amd64
Select language for Windows 11 Insider Preview Feature Update (28020.2075) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
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ARM64 ISO download:
Select language for Windows 11 Insider Preview Feature Update (28020.2075) arm64
Select language for Windows 11 Insider Preview Feature Update (28020.2075) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net
UUP Dump - Download Windows Insider ISO
UUP Dump is the most practical and easy way to get ISO images of any Insider Windows 10 or Windows 11 version, as soon as Microsoft has released a new build. UUP Dump creates a download configuration file according to your choices, downloads necessary files directly from Microsoft servers, and...
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