diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5045de76c..7fbe947fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,10 @@ When releasing, please add the new-release-boilerplate to docs/pallas/CHANGELOG.
 * Changes
   * {mod}`jax.numpy` now supports v2023.12 of the Python Array API Standard.
     See {ref}`python-array-api` for more information.
+  * Computations on the CPU backend may now be dispatched asynchronously in
+    more cases. Previously non-parallel computations were always dispatched
+    synchronously. You can recover the old behavior by setting
+    `jax.config.update('jax_cpu_enable_async_dispatch', False)`.
 
 * Breaking changes
   * The MHLO MLIR dialect (`jax.extend.mlir.mhlo`) has been removed. Use the
diff --git a/jax/_src/xla_bridge.py b/jax/_src/xla_bridge.py
index d29e48ccf..c6f8684d2 100644
--- a/jax/_src/xla_bridge.py
+++ b/jax/_src/xla_bridge.py
@@ -108,11 +108,9 @@ CPU_COLLECTIVES_IMPLEMENTATION = config.enum_flag(
     ),
 )
 
-# TODO(yueshengys): turn default back to True after resolving memory increase
-# issue.
 _CPU_ENABLE_ASYNC_DISPATCH = config.bool_flag(
     name="jax_cpu_enable_async_dispatch",
-    default=False,
+    default=True,
     help="Only applies to non-parallel computations. If False, run computations"
     "inline without async dispatch.",
 )