Windows 11 build 22621.2134 (KB5029263) outs for version 22H2

Microsoft rolls out the August Patch Tuesday update for Windows 11 22H2 and 21H2 with various fixes and changes.

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Windows 11 KB5029263
Windows 11 KB5029263
  • Microsoft is rolling out Windows 11 22H2 (build 22621.2134).
  • The update is available for compatible devices as update KB5029263.
  • This release introduces a slew of fixes and improvements.

Microsoft has released the Windows 11 build 22621.2134 as the update KB5029263. The update is available for download on version 22H2 with new changes, security fixes, and improvements that are part of the Moment 3 update.

According to the announcement on the official support website, the update rolls out fixes (previously revealed on July 26) for inconsistent reporting of the L2 cache on certain processors, user mode printer drivers, networking, notification system, handwriting input, and security. This release also makes brightness settings a little more accurate.

Furthermore, the company is also rolling out the update KB5029253 (build 22000.2295) for Windows 11 21H2. The update brings some security patches, fixes, and improvements previously available with the update KB5028245 released on July 25.

If you prefer manually installing the August 2023 update for version 22H2, download it from the Microsoft Update Catalog website. Or you can use this link to download the update for version 21H2.

Windows 11 22H2 update KB5029263

These are all the new features rolling out with the update KB5029263 for Windows 11 22H2:

  • Affects the Handwriting Software Input Panel (SIP), the Handwriting Engine, and the Handwriting Embedded Inking Control. They now support GB18030-2022 conformance level 2. Because of this, they meet the level 3 requirements.
  • Addresses an issue in the Windows Notification Platform. The issue affects how much power your device uses.
  • Affects the Windows Push Notification Services (WNS). It makes the connection between the client and the WNS server more reliable.
  • Addresses an issue that affects hybrid joined devices. You cannot sign in to them if they are not connected to the internet. This occurs when you use a Windows Hello for Business PIN or biometric credentials.
  • This issue applies to a cloud trust deployment.
  • Affects Windows Autopilot profiles. The process to download the Windows Autopilot policy is more resilient. This helps when a network connection might not be fully initialized. This update increases the retry attempts when you try to download the Windows Autopilot profile.
  • Addresses an issue that affects Event Forwarding Subscriptions. When you add an Event Channel to the subscription, it forwards events you do not need.
  • Addresses an issue that affects the Windows Management Instrumentation (WMI) repository. This causes an installation error. The issue occurs when a device does not shut down properly.
  • Addresses an issue that affects certain CPUs. There is inconsistent reporting of the L2 cache.
  • This update makes brightness settings more accurate.
  • This update enhances hinting for some of the letters of the Verdana Pro font family.
  • This update affects user mode printer drivers. They unload unexpectedly. This occurs when you print from multiple print queues to the same printer driver.
  • This update affects text edit controls in XAML. You cannot edit the controls again after they become read only. This occurs when you use the new Microsoft Input Method Editor for Japanese, Chinese, and Korean.
  • This update makes Narrator announce the “Change product key” label.
  • Addresses an issue that affects the Defender Firewall Profile. It fails to automatically switch from a LAN that is trusted to a public network.
  • This update makes Country and Operator Settings Asset (COSA) profiles up to date.
  • Addresses an issue that affects a printing job. An unexpected Internet Printing Protocol (IPP) mode switch can cause the print job to abruptly stop. This occurs when there is an independent hardware vendor (IHV) driver.
  • Addresses an issue that affects certain wireless wide area network (WWAN) devices. After every restart, a dialog reappears. It asks you to switch to embedded SIM (eSIM) even when you choose No.
  • Addresses an issue that affects certain display and audio devices. They are missing after your system resumes from sleep.
  • Addresses a deadlock in Internet Protocol Security (IPsec). When you configure servers with IPsec rules, they stop responding. This issue affects virtual and physical servers.
  • Addresses an issue that affects the MPSSV service. The issues causes your system to restart repeatedly. The stop error code is 0xEF.
  • This update affects the Windows Kernel Vulnerable Driver Blocklist, DriverSiPolicy.p7b. It adds drivers that are at risk for Bring Your Own Vulnerable Driver (BYOVD) attacks.
  • Addresses an issue that affects Windows Defender Application Control (WDAC). The issue copies unsigned WDAC policies to the Extensible Firmware Interface (EFI) disk partition. This partition is reserved for signed policies.
  • Addresses an issue that affects WDAC. The “Disabled: Script Enforcement” option might create audit events you do not need.
  • Addresses an issue that affects Widgets. They unpin from the taskbar when you do not expect it.
  • Addresses an issue that affects the fastfat file system driver. It stops responding because of a race condition.
  • Addresses an issue that affects I/O over Server Message Block (SMB). It might fail when you use the LZ77+Huffman compression algorithm.

The new features, fixes, and changes are now available for devices enrolled in the Stable Channel. The update will download and install automatically, but you can always force the update from Settings > Windows Update and click the “Check for updates” button. If you are still in the original version of Windows 11, you can use these instructions to upgrade to version 22H2.

About the author
Avatar for Mauro Huculak

Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 15 years of experience writing comprehensive guides and creating professional videos about Windows and software, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 21 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and About.me. Email him at [email protected].