To add to this, C# added async/await in 2012. Depending on what frameworks you use it may be hard to avoid interacting with it (for example, many APIs in UWP ar

To add to this, C# added async/await in 2012. Depending on what frameworks you use it may be hard to avoid interacting with it (for example, many APIs in UWP are async without a sync version). I feel like other language features added since then you can get away without knowing while writing code, but of course you may encounter them when reading other’s code.