Changelog for QCoDeS 0.9.0
==========================

The December 2019 release of QCoDeS

New:
____

* Call ``start_all_logging`` on qcodes import.
  See this example_ for more details on how this can be configured. (:pr:`1850`)

Improved:
_________

* Improvements to dataset notebooks (:pr:`1813`)
* Fix warning in matplotlib plotting for legacy dataset (:pr:`1839`)
* Add electrical delay parameter and function set_electrical_delay_auto for ZNB driver (:pr:`1849`)
* Keysight 344xxA: Fix formatting issues (:pr:`1851`)
* Fix docstrings in parameter.py (:pr:`1855`)
* Update Infiniium.py: add option to save waveform to usb (:pr:`1716`)

New Instrument drivers:
_______________________

* Keysight 34980A driver (:pr:`1810`, :pr:`1867`)

Under the hood:
_______________

* Move QCoDeS import into function that needs it to break potential circular import (:pr:`1870`)
* Fix return type of _BaseParameter.__call__ (:pr:`1839`)
* CI: Trigger azure pipeline on tags (:pr:`1837`)
* CI: Travis don't apt-get install (:pr:`1842`)
* CI: Travis Explicitly whitelist branches and tags to build (:pr:`1865`)
* CI: Check for consistent line ending using Codacy (:pr:`1866`)
* CI: Also trigger azure builds on release branches (:pr:`1868`)
* CI: Azure twine -r name should match service endpoint (:pr:`1869`)

Breaking Changes:
_________________

* ``StandardParameter`` after long deprecation period has been removed (:pr:`1859`)
* ``Parameter.set_validator`` method after long deprecation period has been
  removed (:pr:`1856`)

Deprecations:
_____________

* Setting ``Parameter.raw_value`` (for example ``p.raw_value = 2``) is
  deprecated because it can lead to inconsistent state of the parameter.
  Use ``Parameter.set`` or ``Parameter.cache.set`` methods instead. (:pr:`1857`)
* Private method ``Parameter._save_val`` that has been spotted in use in
  instrument drivers is deprecated now. Use ``Parameter.set`` and
  ``Parameter.cache.set`` methods instead. (:pr:`1858`)

Recommended Dependencies:
_________________________

* Type checking should be done with Mypy 0.750. (:pr:`1863`)
* Docs are build using Sphinx 2.2.2 (:pr:`1864`)

.. _example: ../examples/logging/logging_example.ipynb