Insider KB5094978 Windows 11 Insider Beta (26H1) build 28020.2236 - June 8

KB5094978 Windows 11 Insider Beta (26H1) build 28020.2298 - June 12

Windows Insider Blog: Source: https://learn.microsoft.com/en-us/windows-insider/release-notes/beta-26h1/preview-build-28020-2298 https://blogs.windows.com/windows-insider/2026/06/12/announcing-new-builds-for-12-june-2026/ Check Windows Updates UUP Dump: 64-bit ISO download: x ARM64 ISO...

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Changes and improvements​

• This update includes a small set of general improvements and fixes that improve the overall experience for Insiders running this build on their PCs.

Reminder for Windows Insiders in the Beta (26H1) channel​

• The desktop watermark shown at the lower right corner of the desktop is normal for Windows Insider pre-release builds.
• 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.
• 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.
• Check out Flight Hub for a complete look at what build is in which Insider channel.

Windows 11 Insider Beta (26H1) Preview Build 28020.2236 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2236

learn.microsoft.com

Announcing new builds 8 June 2026

[Update 6/11/2026: Release notes have now been published to Windows Insider release notes - Windows Insider Program | Microsoft Learn.]

blogs.windows.com

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Select language for Windows 11 Insider Preview Feature Update (28020.2236) arm64

Select language for Windows 11 Insider Preview Feature Update (28020.2236) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.

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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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