A recently updated Windows Server release information document suggests that Microsoft will retire semi-annual releases starting with Windows Server 2022, moving completely to LTSC releases.
Here are the top features and changes that Microsoft is bringing to Windows 11
windows 11 promo
Long term servicing channelRSS
Microsoft today announced during a Tech Community AMA that an LTSC release based on Windows 11 will ship a few years after the one based on Windows 10 version 21H2 ships this year.