tbh i am skeptical of zstandard because they stopped giving people a patent grant for it
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It's included in the Linux System Definition, no?
openinventionnetwork.com/linux-system/t
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Not really comparable to the patent grant. It's part of why Apache 2 is clearly the best license...
apache.org/licenses/LICEN
Explicit patent grant, explicitly states contributions are made available under Apache 2 (without needing CLA) and that trademarks are a separate thing.
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The patent grant applied to any use of the software including in proprietary software. It's not much of a permissive license if you can't actually use it permissively due to patents. OIN is based around Linux specifically which is a lot different and even somewhat harmful.
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Apache 2 is really nice since it's basically the MIT or 3-clause BSD license but explicitly dealing with patents, trademarks and contributions.
Software patents are bad enough that it's in the interest of companies like Google with a huge amount of them to fight against them.
At the moment, Google is against software patents and they use Apache 2 for almost everything that's not a fork of an existing project. Could change though, since they own a ridiculous amount of patents and keep acquiring more. Facebook seemed to have a similar position before...