[jleahy]

A generator that itself is not recommended as it’s both very slow and fails many tests.

The xorshiro generators are much better.

[Vecr]

At this point you can probably use ChaCha8 (ChaCha20 but with 8 rounds instead of 20) seeded from the system's crng and be fine in most cases. Xorshiro is fine is most cases but is obviously not statistically perfect.