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Zstd no longer comes with a patent grant which I guess makes it kind of hard to actually use for some people.


Zstd is already used in the Linux kernel, and I would assume that any patents covering Lempel-Ziv and Huffman coding would have expired long ago. The situation around ANS also seems to have been resolved, see https://en.wikipedia.org/wiki/Asymmetric_numeral_systems#Tab... .


The Linux kernel is stuffed full of potentially patent encumbered code.


huh, isn’t zstd the compression used for debian packages?




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