Windows 10 build 19045.3516 (KB5030300) outs as preview

Windows 10 receives a new preview build for the next cumulative update with non-security fixes and changes.

Windows 10 KB5030300
Windows 10 KB5030300
  • Microsoft begins testing update KB5030300 for Windows 10 22H2.
  • The update bumps the version number to build 19045.3516.
  • The update KB5030300 introduces non-security fixes and improvements.
  • This update was originally available as build 22000.2479 in the Release Preview Channel.

UPDATED 9/26/2023: Microsoft releases the update KB5030300 as a preview for the next update of Windows 10 22H2. The update is rolling out in the Stable Channel as an optional install with non-security fixes and changes.

According to the announcement from the official site (original Release Preview Channel notes), the update introduces a redesigned search experience with the option to revert to the previous experience. Microsoft is adding new animations for icons in the “news and interests” feature. And removes and remaps characters for Microsoft Wubi input and Microsoft Pinyin U-mode input to comply with the GB18030-2022 requirements.

The update preview release also brings changes for time and language for Greenland and Ukraine, addresses virtualization problems, issues that affect USB printers, memory leak problems in user-mode when copying and moving files, resolves an issue with OneDrive files that are compressed using NTFS, and more.

Windows 10 update KB5030300

These are the fixes and improvements coming to the next update of Windows 10:

  • Completes the work to comply with the GB18030-2022 requirements. It removes and remaps characters for Microsoft Wubi input and Microsoft Pinyin U-mode input. You can no longer enter character codepoints that are not supported. All the required codepoints are up to date.
  • Brings back an improved search box experience on the taskbar. If you have a top, bottom, regular, or small icons taskbar, you will see the search box appear. You can use it to easily access apps, files, settings, and more from Windows and the web. You will also have access to the latest search updates, such as search highlights. If you want to restore your previous search experience, you can do that easily. Use the taskbar shortcut menu or respond to a dialog that appears when you use search.
  • Adds animations to a few icons on the news and interests taskbar button. These animations occur when: A new announcement appears on the news and interests taskbar button, or you hover over or click the icon while the announcement is on the taskbar.
  • Supports daylight saving time (DST) changes in Greenland.
  • Changes the spelling of Ukraine’s capital from Kiev to Kyiv.
  • Addresses an issue that affects Microsoft Excel. It stops responding when you try to share a file as a PDF in Microsoft Outlook.
  • Addresses an issue that is related to changes in the forwarding of events.
  • Addresses an issue that affects an Application Virtualization (App-V) environment. Copy operations within it stop working. This occurs after you install the April 2023 update.
  • Addresses an issue that affects the Simple Certificate Enrollment Protocol (SCEP) certificate. The system reports some SCEP certificate installations as failed. Instead, the system should report them as pending.
  • Addresses an issue that affects Microsoft Print to PDF. It uses the metadata for the name you sign in with as the author of a printed PDF. It should use the display name instead.
  • Addresses an issue that affects some USB printers. Microsoft Defender stops them from printing.
  • Addresses an issue that affects device health. Some devices cannot attest to their security health.
  • Addresses an issue that affects Windows Defender Application Control (WDAC). AppID Tagging policies might greatly increase how long it takes your device to start up.
  • Addresses an issue that affects the touch keyboard. Sometimes it does not open.
  • Addresses an issue that affects IMEPad. It stops working. This occurs when you enter end-user-defined characters (EUDC).
  • Addresses an issue that affects application compatibility. It is related to Microsoft Defender for Endpoint.
  • Addresses an issue that affects Remote Apps. The display of some elements is not aligned correctly.
  • Addresses an issue that affects toast notifications. They might not appear when you use UI Automation tools to read them.
  • Addresses an issue that affects the Microsoft Distributed Transaction Coordinator (DTC). It has a handle leak. Because of this, the system runs out of memory.
  • Addresses an issue that might cause a user-mode memory leak. It might occur when you call CopyFile() or MoveFile().
  • Addresses an issue that might make Windows stop responding. This might occur if you use Microsoft OneDrive files that are compressed by NTFS.
  • Addresses an issue that affects external binding. It fails. This occurs after you install Windows updates dated May 2023 or later. Because of this, there are issues that affect LDAP queries and authentication.

Download update KB5030300 for Windows 10

You can always force the update from Settings Update & Security > Windows Update, click the “Check for updates” button, and use the option to install the optional update.

About the author

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].