FWIW .NET Core 2.1 and 3.1 are LTS versions, support for 2.1 ended last month and for 3.1 in December 2022. .NET 4 is not relevant in this context because of ve

FWIW .NET Core 2.1 and 3.1 are LTS versions, support for 2.1 ended last month and for 3.1 in December 2022. .NET 4 is not relevant in this context because of versioning changes over the years and can be ignored. .NET 6 will be the next LTS version, to be released later this year.