In summary, exploring the features of multiple dispatch, metaprogramming, and asynchronous programming in Julia can greatly enhance your coding experience and open up new possibilities.

Additionally, Julia has built-in support for coroutines and asynchronous programming, which can be used to write highly concurrent and responsive applications. This feature is particularly valuable when dealing with I/O-bound or event-driven tasks.

Another lesser-known feature is Julia's support for metaprogramming, which allows you to generate and manipulate code programmatically. This can be useful for tasks such as code generation, optimization, and creating domain-specific languages.

One lesser-known feature of Julia is its ability to handle multiple dispatch, which allows you to define different behaviors for functions based on the types of their arguments. This can lead to more concise and efficient code.