In addition to regular monthly cumulative updates Microsoft releases every second Tuesday of a month, the company often pushes additional patches (also known as C-updates) with non-security updates. Today is that day. Optional C-updates are now available for all supported Windows 10 versions. Here is what is new.
What is new in October 2021 optional C-Updates for Windows 10?
Windows 10 received KB5006738 with build numbers 19041.1320 (2004), 19042.1320 (20H2), and 19043.1320 (21H1). Version 1909 did not get that update because Microsoft no longer supports it.
- Updates an issue an issue that might prevent subtitles from displaying for certain video apps and streaming video sites.
- Updates an issue that prevents Kana input mode users from inserting a question mark (?) using the Shift-0 key combination.
- Updates an issue that sometimes causes your lock screen background to appear black if you have set up a slideshow of pictures as your lock screen background.
To install optional updates for Windows 10, head to Windows Settings > Update and Security > Windows Update > Optional Updates. You can also download them from the Microsoft Update Catalog using this link. Note that Microsoft does not require you to get today's updates right away. The company will include those patches in the next month's Patch Tuesday.
Microsoft also reminded users that Windows 10 2004 is quickly approaching its end-of-life. Microsoft plans to cease supporting Windows 10 2004 on December 14, 2021.
It is also worth mentioning that today's update is not available for Windows 11. The latter received separate optional C-updates a couple of days ago. Version 22000.282 brought numerous quality-of-life improvements, including performance dips on systems with processors from AMD. You can learn more about that update here.
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