Changelog for QCoDeS 0.26.0
===========================

The May 2021 release of QCoDeS.

----
New:
----

- DelegateInstrument and InstrumentGroup drivers (:pr:`2928`, :pr:`3031`)
- Introducing merge_yaml function in Station and allow Station to load
  multiple config yaml files (:pr:`2936`)
- Keysight VNA P9374A driver (:pr:`3034`)

---------
Improved:
---------

- Ensure that plot dataset uses axis in the expected order (:pr:`3017`)
- Make doNd reset original post_delay values + fix to keyboard interrupt (:pr:`2996`)
- [Bug fix] Return parameter data with same type as before applying scale or
  offset (:pr:`2980`)
- Improved plotting of pre-shaped 2d data (:pr:`3024`)
- replace the use of Dict with Mapping for input args within instrument
  module (:pr:`3040`)
- Convert input arguments to Mapping in dataset module (:pr:`3051`)
- use nan + i*nan as placeholder for complex numbers (:pr:`3049`)
- Add information about name keyword argument of Measurement module in
  relevant docs (:pr:`3052`)

-----------------
Improved drivers:
-----------------

- Make wait times in blocking AMI430 field ramps adjustable (:pr:`3032`)
- Keithley 2600: 4 probe current sweep support (:pr:`3023`)

---------------
Under the hood:
---------------

- Add darker to precommit hooks (:pr:`2979`)
- tests: cleanup warning handling (:pr:`2834`)
- Fix NumpyJSONEncoder docstring (:pr:`2994`)
- remove scientific deps job (:pr:`3014`)
- upgrade precommit hooks to latest version (:pr:`3037`)