How will you be tackling the challenges this year?

Using Kotlin. I switched careers to Android development almost 2 years ago, and maybe it's my first "real" language, I really like Kotlin and IntelliJ. I've been wanting to learn low-level stuff, too, maybe I'll try C or C++. Or C# since that's what my backend devs use. But this year's puzzles have been pretty intense, so maybe I'll wait on that