On May 11, 2021, Microsoft will cease to support for Windows 10, version 1909. This is true for the following Windows 10 versions that were published in November 2019: Version 1909 of Windows 10 Home Windows 10 Professional, build 1909 Version 1909 of Windows 10 Pro Education Version 1909 of Windows 10 Professional for Workstations After May 11, 2021, these editions will no longer receive security updates. After this date, customers contacting Microsoft Support will be guided to upgrade their system to the latest version of Windows 10 in order to stay supported.
This is true for the following Windows 10 versions that were published in November 2019:
- Version 1909 of Windows 10 Home
- Windows 10 Professional, build 1909
- Version 1909 of Windows 10 Pro Education
- Version 1909 of Windows 10 Professional for Workstations
After May 11, 2021, these editions were no longer receive security updates. After this date, customers contacting Microsoft Support will be guided to upgrade their system to the latest version of Windows 10 in order to stay supported.
The cumulative update preview edition, KB5003212, is currently available as an optional install ahead of the full release. Despite being a non-security upgrade, it remains a critical update among several critical updates. According to Microsoft, KB5003212 addresses issues that prevent users from receiving information based on their geographic location, as well as issues with touch devices in multi-monitor environments. Fixes a problem where you can not mute a phone call when you transfer it.
There have been no major reported update issues (just a recurring problem with lost certificates, and an easily remedied issue with Microsoft 365 desktop client apps).
- Fixes a problem with jscript9.dll’s just-in-time (JIT) conduct.
- Fixes a problem that could cause a system to become unresponsive during hybrid shutdown.
- Fixes a problem that prevents a touch device from acting as a serial mouse when used with multiple monitors.
- In Safe Mode, an issue prevents users from signing in if Web Sign-in is allowed.
- When the Active Directory (AD) Admin Center lists a large number of organisational units (OU) or container objects and PowerShell Transcription is allowed, an error appears.
- RestrictedGroups, LocalUsersAndGroups, and UserRights policies from mobile device management (MDM) are used to fix a problem with devices.
- After you use MDM to delete the configuration profile that contains the regulation, these devices continue to receive it incorrectly.
- PKU2U now has a fix for a memory leak that causes cluster nodes to run out of memory.
- Fixes a memory leak that can occur while using Remote Desktop to share a computer.
- Fixes a bug in the PerfMon API that could lead to handle leaks and slow performance.
- When you promote a new domain controller and allow the Active Directory Recycle Bin function, you can encounter an issue that causes endless duplication.
- Fixes a problem that prevents the Resource Host Subsystem (RHS) from registering network name resources in the Domain Name System on a sporadic basis (DNS).
- Fixes a timing problem that could trigger a Remote App to repeat characters typed on the local keyboard or pasted from the Windows clipboard on occasion.
- You can get full list of Key enhancement & fixes in the KB5003212 here.
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