Just a few days ago, saw Finbodhi from paisa project through Anandakumaran's website. Very interesting and loved Opensource projects with focus on end-to-end encryption coming out of India. My best wishes to you!
AWS - started this year with little knowledge about it, now I think I learnt it better
Java - Use it every day at work, but started using more and more OOPs concept to write better code.
Elixir - For a side project. Started this year with no knowledge about it, but currently have some good understanding of OTP.