You can set an old language version for a modern C# project. The compiler will behave exactly like 10 years ago, but it outputs a modern assembly. If you think

You can set an old language version for a modern C# project. The compiler will behave exactly like 10 years ago, but it outputs a modern assembly. If you think this is the way to go in your organization, just do that. But I seriously don't get why it's so impossible to just read the changelog every year. Takes literally 2 hours per year. Most of the changes are quite self-explaining anyway.