Release notes: https://qiskit.org/documentation/release_notes.html#qiskit-0-44-0

Changelog

Changed

• Increased the qiskit-terra version to the latest release 0.25.0

Removed

• The previously deprecated as part of the qiskit metapackage qiskit-aer
  package has been been removed from the metapackage. It is still
  actively maintained as an independent project.
• The previously deprecated qiskit-ibmq-provider package has been been
  removed.