Changelog

Added

• Retrieve IBM Q jobs from server (#563, #585).
• Add German introductory documentation (doc/de) (#592).
• Add unregister() for removing previously registered providers (#584).
• Add matplotlib-based circuit drawer (#579).
• Adding backend filtering by least busy (#575).

Changed

• Remove backend filtering in individual providers, keep only in wrapper (#575).
• Single source of version information (#581)
• Bumped IBMQuantumExperience dependency to 1.9.6 (#600).
• For backend status, status['available'] is now status['operational'] (#609).
• Added support for registering third-party providers in register() (#602).

Removed

• Remove OpenQuantumCompiler (#610).
• Remove Clifford simulator from default available_backends, until its stable
  release (#555).
• Remove ProjectQ simulators for moving to new repository (#553).

Fixed

• Fix issue with unintended inversion of initializer gates (#573).
• Fix issue with skip_transpiler causing some gates to be ignored silently (#562).