Windows 11 receives update KB5009566 with security improvements

On the first Tuesday of every month, Microsoft releases what is known in the Anglo-Saxon world as Patch Tuesday. As many of you already know, it’s an update that for the most part contains nothing more than security improvements. The first Tuesday of the 2022 patch followed this line, and with the number KB5009566 (Version 22000.434), it gives us the patches that we detail below.

The most important news in the update KB5009566

  • Updates a known issue affecting Japanese input method editors (IMEs). The text you enter may appear out of order or the text cursor may move unexpectedly in applications that use the multi-byte character set (MBCS).
  • Security improvements for Windows.

Improvements and fixes

  • Resolves a known issue affecting Japanese input method editors (IMEs). When you use the Japanese IME to enter text, the text may appear out of order or the text cursor may move unexpectedly in applications that use the multi-byte character set (MBCS). This issue affects Microsoft Japanese IMEs and third-party Japanese IMEs.

If you installed updates before this update, you will only receive this hotfix series when you install version KB5009566. For more detailed information about all the security improvements, we recommend that you follow this link.

Windows 11 Servicing Stack Update – 22000.345

  • This update makes quality improvements to the Service Stack, which is the component responsible for installing Windows updates. These types of servicing stack updates ensure that you have a solid, reliable experience with Windows Updates.

Known bugs

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After installing Windows 11, some image editors may not reproduce colors correctly on some High Dynamic Range (HDR) displays. It often appears in white colors, which can appear bright yellow or other colors.

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This problem occurs when some Win32 color rendering APIs return unexpected information or errors under certain circumstances. Not all color profile managers are affected, and the color profile options available on the Windows 11 Settings page, including the Microsoft Color Control Panel, are expected to function properly.

solution

The fix is ​​in the works and is expected to be available at the end of January.

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