Windows has two regular update dates – patch day and startup called custom updates. Optional updates are similar to pre-release versions of Windows that were previously released as C updates. The bug fixes in it will be automatically distributed to all users on the next batch day – if nothing comes up.
Microsoft has now announced an important change for the month of December, which is of interest only to all users who use custom updates: no custom updates are planned for the coming month. In Knowledge-based It now says:
Important: Due to less activity during the holidays and the upcoming Western New Year, there will be no pre-release (known as the “C” release) in December 2021. There will be a monthly security permit (known as the “B” version) in December 2021. Normal monthly maintenance for versions B and C will resume in January 2022.
Changes for Windows 10 and 11
This also applies to the currently fully supported Windows 10 versions 21H1, 20H2 and 2004. Windows 10 version 1909. And for the newcomer Windows 11 There will be no custom updates in December. It is unknown at this time what effect pre-release versions of the Windows Insider program will have. The team does not have any fixed dates like the B and C updates.
Emergency connections are excluded
In addition, emergency patches may still occur, i.e., if serious security breaks are known and out-of-band updates (updates off line) are necessary.
Windows 10 FAQ All questions were answered in detail
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