Changelog for QCoDeS 0.3.0
==========================

The May 2019 release of QCoDeS contains a large backend re-structure of the Measurement.DataSaver logic
as well a handful of driver improvements and some new data saving functionalities.

New & Improved:
_______________

- New and Improved Drivers:

  - Alazar Cards:

    * All models; limit maximum buffer size as documented for AlazarBeforeAsyncRead (:pr:`1535`)
    * All models; add api instance as initialization parameter (:pr:`1524`)

  - Arbitraty Waveform Generators:

    * Keysight 33510B: add support for this specific model (:pr:`1544`)
    * Zurich Instruments HDAWG8; Remove warning when taking snapshot of ZIHDAWG8 (:pr:`1561`)

  - Lock-in Amplifiers:

    * Zurich Instruments UHF-LI; support all 8 oscillators with MF option (:pr:`1546`)
    * Zurich Instruments UHF-LI; add parameter to UHFLI driver to select oscillator per demodulator (:pr:`1551`)

  - Magnets:

    * American Magnetics AMI430; allow a broader range of field limit values (:pr:`1558`)
    * American Magnetics AMI430; fix coil-constant related bug (:pr:`1527`)

  - Multimeters:

    * Tektronix Keithley 6500; allow immediate triggering (:pr:`1576`)
    * Tektronix Keithley 6500; fix invalid SCPI commands (:pr:`1541`)

  - Source Meters:

    * Tektronix Keithley 2450; add brand new driver! (:pr:`1533`, :pr:`1569`)

  - Vector Generators:

    * Keysight E8267D; extend frequency modulation features (:pr:`1554`)

  - Vector Network Analyzers:

    * Rohde&Schwarz ZNB; make initialization more fail-safe (:pr:`1564`)

  - Others:

    * Mj2; allow higher gain (:pr:`1575`)
    * Cryocon; allow the setting of the termination character (:pr:`1559`)

- Data Saving Features:

  - Allow arrays of different lengths to be stored together (:pr:`1477`)
  - Allow complex numbers (:pr:`1484`, :pr:`1489`, :pr:`1493`)
  - Infer the SQLite storage type of parameters (:pr:`1494`)

- Documentation:

  - Increase title consistency (:pr:`1553`)

- Database upgrades:

  - Schema version bumped to 5; snapshot column always present (:pr:`1562`)

- QCoDeS Workflow:

  - Extend QCoDeS-Station to be configurable through yaml file (:pr:`1560`)

Breaking Changes:
_________________

- The DataSet no longer has an `add_parameter` method (:pr:`1547`)

Miscellaneous:
______________

- The python package dependencies have been updated (:pr:`1550`)
- Our copyright is up to date :) (:pr:`1552`)