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Windows Insiders have one week to update their PCs before test builds start expiring
Winsage
August 5, 2026

Windows Insiders have one week to update their PCs before test builds start expiring

Windows Insiders are advised to update their PCs to the latest build within the week due to a renewed flight certificate that expires on August 11, 2026. This update is necessary for all Insider channels, including Experimental and Beta. The latest Insider build includes a renewed flight certificate to ensure devices remain on supported builds and continue receiving updates. A chart outlines the minimum builds required for various channels, with specific builds available by July 31, 2026. Failure to update will result in a warning message about the build's expiration, and automatic updates will stop once the certificate expires. Users should check Settings > Windows Update to install the latest build.
This August 11 deadline could cut off your Windows Insider builds
Winsage
August 4, 2026

This August 11 deadline could cut off your Windows Insider builds

Microsoft is renewing flight certificates for Windows Insider Preview builds, which are set to expire on August 11, 2026. This renewal will now extend to the Canary, Experimental, and Beta channels. Users are advised to check their Windows Insider Channels and Windows 11 versions, as the required certificate version may vary. Microsoft has provided a list of minimum requirements for each version and channel.
Microsoft warns Windows 11 Insiders of crucial mandatory upcoming deadline
Winsage
August 3, 2026

Microsoft warns Windows 11 Insiders of crucial mandatory upcoming deadline

Microsoft is updating Secure Boot certificates for Windows 11 PCs, as the previous certificates are 15 years old and nearing expiration. Users can check their certificate status easily. An advisory was issued in early September regarding changes for Windows Insider channels, particularly affecting the Experimental and Beta channels, with a deadline for certificate updates set for August 11, 2026. The Release Preview builds will not be affected by this update requirement. Users in the impacted channels must update to specific builds to obtain the new certificates, or they may stop receiving updates after the deadline. The minimum build requirements for each channel are outlined, and users can check their current Windows 11 Insider build by using the winver command. Microsoft has confirmed that these updates will not impact activation or licensing status.
Microsoft Confirms Windows 11 Bug That Can Consume Over 500GB of Storage Through Permission Log File
Winsage
July 9, 2026

Microsoft Confirms Windows 11 Bug That Can Consume Over 500GB of Storage Through Permission Log File

Microsoft has acknowledged a bug in Windows 11 that causes the Capability Access Manager's write-ahead log file to expand indefinitely, potentially exceeding 500GB of storage on affected devices. This issue is addressed in update KB5095093, which includes builds 26200.8737 and 26100.8737. Users can manually install this update via the optional updates section of Windows Update or wait for its automatic rollout during the July 2026 Patch Tuesday. The Capability Access Manager manages app permissions and logs usage of privacy-sensitive features, but the WAL file continues to grow unchecked on affected systems. The file can reach sizes from 70GB to over 513GB. To check if a system is affected, users can check storage settings or use Robocopy to verify the file size. The update is available through the Optional updates section and will be included in the cumulative update on July 8, 2026. The excessive size of the WAL file can lead to critical storage shortages and related issues, but it does not compromise the security or core functionality of the permission system. Microsoft has not confirmed if Windows 11 26H1 Insider builds are affected.
Windows Insider Preview improves taskbar
Winsage
June 30, 2026

Windows Insider Preview improves taskbar

Microsoft has released new preview versions in the Windows Insider channels, focusing on refining the taskbar in Windows 11. The latest Insider Preview versions include a new option called “Taskbar size” in the “Experimental” release channel (Build 26300.8758), with early screenshots indicating a default setting of “Small.” Users can also dock the taskbar on any side of the monitor. Improvements to system sounds in dark mode and more reliable thumbnail previews for cloud files in File Explorer's preview panel are also included in the Beta Preview (Build 26220.8754). Microsoft has restructured the Insider Preview Program, reducing it from four channels to two: Experimental and Beta, with the Release Preview channel remaining. Switching between Insider Preview channels has been simplified, allowing users to change channels more flexibly.
Windows Update Will Start Showing New Insider Channel System to all Windows 11 Users
Winsage
June 26, 2026

Windows Update Will Start Showing New Insider Channel System to all Windows 11 Users

The Windows Insider Channel system is expanding to all Windows 11 users via Windows Update, allowing non-Insiders to join the program. The previous Canary, Dev, and Beta Channels will be replaced by the Experimental and Beta Channel options. The Experimental Channel will introduce new features first and allow user feedback to shape developments, while the Beta Channel will provide early access to upcoming features but will discontinue controlled feature rollouts. Microsoft recently released five new builds across the Beta and Experimental Channels, including a new taskbar size setting in the Experimental build 26300.8758 to enhance taskbar customizability.
Windows 11 Beta Build 26220.8575: Microsoft fixes audio, Settings, and annoying freezes
Winsage
June 10, 2026

Windows 11 Beta Build 26220.8575: Microsoft fixes audio, Settings, and annoying freezes

Microsoft has released Windows 11 Insider Preview Build 26220.8575 on June 8, 2026, focusing on stability rather than new features. This build introduces the ability to extend update pauses indefinitely, which is important for maintaining system integrity in test environments. It also fixes an audio malfunction affecting some users and improves the reliability of the “Settings > Apps > Installed apps” feature. Additionally, the build addresses freezing issues in core applications like Search and Notepad. The Beta channel has been restructured to provide more stability and predictability, with features no longer rolled out gradually. Overall, this build enhances update management, resolves audio issues, stabilizes app handling, and addresses freezes in essential components.
Windows Insider Program Adds New Beta (26H1) Channel
Winsage
June 9, 2026

Windows Insider Program Adds New Beta (26H1) Channel

Microsoft's Windows Insider Program is facing challenges with the introduction of Windows 11 version 26H1, which is available for testing across three Insider Channels: Release Preview, Experimental (26H1), and Beta (26H1). The Release Preview Channel saw the unveiling of build 28000.2176 on May 19, classified as an optional update, while users can continue with versions 24H2 or 25H2. Windows 11 version 26H1 will not support upgrades to the next feature update (26H2) scheduled for late 2026. The Experimental Channel recently transitioned to the 28100 series with build 28120.2242, introducing a feature for enabling Administrator Protection. The Beta Channel now offers an optional upgrade path with the new Beta (26H1) Channel, which includes the optional 26H1 build 28020.2236 with minor fixes. Insiders can switch between the Experimental and Beta Channels without a clean installation. No new builds were released for the Experimental or Experimental (Future Platforms) Channels. The complexity of the new Insider Channel system has raised concerns among users due to its intricate naming conventions and structures.
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