Beta Windows 11 26H1 Insider Preview 28020.3142

[DuBo]

Am 08.06.2026 ist der neue Beta-Channel für Windows 11-26H1 an den Start gegangen und hat die Buildnummer vom bisherigen Experimental-Channel 28020.xxxx übernommen.

2026-06-08 --- Windows 11 Insider Beta (26H1) Preview Build 28020.2236​

Neue Features, Änderungen und Fehlermeldungen sowie Fehlerbehebungen siehe Changelog:

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

Versionshinweise für Windows 11 Insider Beta (26H1) Preview Build 28020.2236

learn.microsoft.com

Der bisherige Experimental-Channel hat jetzt die Buildnummer 28120.xxxx

 

[Alice]

Windows 11 Insider Beta (26H1) Preview Build 28020.2298 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2298

learn.microsoft.com

 

[Alice]

Windows 11 Insider Beta (26H1) Preview Build 28020.2308 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2308

learn.microsoft.com

 

[Alice]

Gestern Abend gab es einen Schwung an neuen Builds.

Die Übersicht siehe nachfolgenden Link

Announcing new builds for 26 June 2026, retail launch of new WIP improvements

Hello Windows Insiders, We have new releases today with builds across Beta and Experimental, and are excited to begin rolling out the new Windows Insider experience to retail Windows 11 builds this week! New Windows Insider Program changes

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.2366 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2366

learn.microsoft.com

 

[Alice]

Gestern Abend sind für einige der Insider neue Builds zum Testen erschienen, siehe nachfolgende Übersicht.

Announcing new builds for July 6 2026

Hello Windows Insiders, We have new releases today with builds across Beta and Experimental. New builds this week Today we are releasing new Windows 11 Insider Preview Builds. As a reminder, all Insiders can find the rel

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.2380 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2380

learn.microsoft.com

 

[DuBo]

Neue Updates vom 20.07.2026 für einige Insiderchannels:

Announcing new builds for 20 July 2026

Hello Windows Insiders, Today we are releasing new Windows 11 Insider Preview Builds across Beta, Experimental and Release Preview. See your channel release notes here: Beta:

blogs.windows.com

Neue Features, Änderungen und Fehlermeldungen sowie Fehlerbehebungen siehe Changelog Build 28020.2539:

Windows 11 Insider Beta (26H1) Preview Build 28020.2539 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2539

learn.microsoft.com

 

[Alice]

Zu gestern Abend gab es weitere Builds zum Testen

Announcing new builds for 31 July 2026

Hello Windows Insiders, We have new releases today with builds across Beta and Experimental, including refreshed security certificates across all new builds. Renewed Windows Insider flight certificates All builds this week contain

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.2623 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2623

learn.microsoft.com

 

[Alice]

Gestern Abend sind nun weitere Builds erschienen.

Announcing new builds for 17 August 2026

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds to the Beta and Experimental Channels. This post also includes reminders about renewed flight certificates and the current Feature Flags settings issue in the Exp

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.2731 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2731

learn.microsoft.com

 

[DuBo]

2026-08-31 Neue Updates für einige Insiderchannels:

Announcing new builds for 31 August 2026

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds for Windows 11, version 26H1 to the Beta and Experimental channels. Please see the release notes for each channel below: Beta (26H1):

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.2818​

Windows 11 Insider Beta (26H1) Vorschaubuild 28020.2818 - Windows Insider Program

Versionshinweise für Windows 11 Insider Beta (26H1) Preview Build 28020.2818

learn.microsoft.com

 

[Alice]

Heute gibt es wieder neue Insider-Builds

Announcing new builds for 8 September 2026

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds to the Beta and Experimental channels. New builds this week Select your channel below to view its release notes: Beta:

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.2904 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2904

learn.microsoft.com

 

[Alice]

Es ist Freitag und nun sind weitere Builds für (fast) alle Insider-Channel erschienen.

Announcing new builds for 11 September 2026

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds to the Beta, Experimental, and Release Preview channels. New builds this week Select your channel below to view its release notes: B

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.2991 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.2991

learn.microsoft.com

 

[Alice]

Freitags gibt es wieder Nachschub für fast alle Insider-Versionen.

Announcing new builds for 25 September 2026

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds to the Beta and Experimental channels. New builds this week Select your channel below to view its release notes: Beta:

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.3112 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.3112

learn.microsoft.com

 

[Alice]

Gestern sind nun, wie üblich freitsgs. viele Insider-Versionen herausgebracht worden.

Announcing new builds for 17 August 2026

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds to the Beta and Experimental Channels. This post also includes reminders about renewed flight certificates and the current Feature Flags settings issue in the Exp

blogs.windows.com

Windows 11 Insider Beta (26H1) Preview Build 28020.3142 - Windows Insider Program

Release notes for Windows 11 Insider Beta (26H1) Preview Build 28020.3142

learn.microsoft.com