Start jax and jaxlib 0.4.27 release

PiperOrigin-RevId: 631409685

CHANGELOG.md

@@ -25,10 +25,6 @@ Remember to align the itemized text with the first line of an item within a list
     to the callback.
   * `complex_arr.astype(bool)` now follows the same semantics as NumPy, returning
     False where `complex_arr` is equal to `0 + 0j`, and True otherwise.
-  * Async dispatch expensive computations on the CPU backend. This only applies
-    to non-parallel computations, as we already do async dispatch for parallel
-    computations. You can recover the old behavior by setting
-    `jax.config.update('jax_cpu_enable_async_dispatch', False)`.
   * `core.Token` now is a non-trivial class which wraps a `jax.Array`. It could
     be created and threaded in and out of computations to build up dependency.
     The singleton object `core.token` has been removed, users now should create

setup.py

@@ -22,12 +22,12 @@
 
 project_name = 'jax'
 
-_current_jaxlib_version = '0.4.26'
+_current_jaxlib_version = '0.4.27'
 # The following should be updated with each new jaxlib release.
 _latest_jaxlib_version_on_pypi = '0.4.26'
 _default_cuda12_cudnn_version = '89'
 _available_cuda12_cudnn_versions = [_default_cuda12_cudnn_version]
-_libtpu_version = '0.1.dev20240403'
+_libtpu_version = '0.1.dev20240507'
 
 def load_version_module(pkg_path):
   spec = importlib.util.spec_from_file_location(