JAX release v0.3.17

• GitHub commits.
• Bugs
  • Fix corner case issue in gradient of lax.pow with an exponent of zero (#12041)
• Breaking changes
  • jax.checkpoint, also known as jax.remat, no longer supports the concrete option, following the previous version's deprecation; see JEP 11830.
• Changes
  • Added jax.pure_callback that enables calling back to pure Python functions from compiled functions (e.g. functions decorated with jax.jit or jax.pmap).
• Deprecations:
  • The deprecated DeviceArray.tile() method has been removed. Use jax.numpy.tile (#11944).
  • DeviceArray.to_py() has been deprecated. Use np.asarray(x) instead.