You're referring to Windows Server 2022, specifically build 20348.587, which is a part of the 21H2 (October 2021) release. Here are some of the proper features you can expect in this version:
Microsoft designed this version to be "cloud-native" while remaining on-premises. Through , administrators can manage Windows Server 2022 instances across physical, virtual, and multi-cloud environments from a single dashboard. windows server 2022 v21h2 build 20348587 20 full
20348.587.20 perhaps? Still invalid.If you already possess an ISO or installed system reporting that exact build number: You're referring to Windows Server 2022, specifically build