New and improved execution modes are live

As announced at the IBM Quantum Summit, the new and improved execution modes make running quantum workloads more reliable, more predictable, and more efficient than ever.

Visit the migration guide (Execution modes changes) and the documentation for the latest information.

A reminder that if you use qiskit-ibm-runtime, update to version 0.20.0 or later. If you use qiskit-ibm-provider, update to version 0.10.0 or later (see this announcement for more details).