qiskit/releasenotes/notes/1.3/port-countops-method-3ad362c20b13182c.yaml

---
features_circuits:
  - |
    The :meth:`~.QuantumCircuit.count_ops` method in :class:`.QuantumCircuit` 
    has been re-written in Rust. It now runs between 3 and 9 times faster.