Sane choice, albeit delayed, as Zstandard has been the leading standard algorithm in the field for quite some time. I tested most of them for developing Pack [1] and Zstandard looked like the best alternative to the good old DEFLATE.

The dictionary feature [2] will help design some new ways of getting small resources.

[1] https://news.ycombinator.com/item?id=39793805

[2] https://facebook.github.io/zstd/zstd_manual.html#Chapter10