Release 5.1.0 (2022/10/14)

• Resolved dependency issues with the curses library
• Implemented CaIoc class that has ability to run basic CA IOC and
  provides interfaces for loading databases, as well as loading,
  retrieving and updating records
• PvaServer enhancements:
  • callback thread is not started until database records require it
• Area Detector Simulator enhancements:
  • added ability to generate and publish image metadata, either
    as CA or as PVA channels
• Streaming Framework enhancements:
  • implemented ability to receive CA and PVA metadata in both data collector
    and data consumer, and to process those together with the data objects
• conda/pip package dependencies:
  • EPICS BASE = 7.0.7
  • BOOST = 1.78.0
  • NUMPY >= 1.22 (for python >= 3.8); < 1.21 (for python < 3.8)

Release 5.0.0 (2022/08/11)

• PvaMirrorServer enhancements:
  • optimized structure copy on processing
  • added ability to specify source server queue size
  • added ability to retrieve mirror record statistics
• Channel enhancements:
  • added monitoring methods that push PV updates into the
    PvObject queue and allow python processing to be done elsewhere
  • added ability to retrieve channel monitor statistics
• PvTimeStamp enhancements:
  • added constructor from and conversion to float
  • added python properties for all fields
• NtNdArray enhancements:
  • updated structure IDs for NtAttribute
  • added support for pickling NtNdArray objects
• NtTable enhancements:
  • updated structure IDs
• PvObject enhancements:
  • simplified handling of unions
• Area Detector Simulator enhancements:
  • option to generate frames with different data types and in the specified
    ranges
  • option to use numpy memory map for loading input files
  • option to notify channel access PV when server starts
• added python HPC Streaming Framework for processing data produced at
  high rates using stream consumers and stream collectors (see the
  framework documentation); the frameworks requires
  python >= 3.7; new command line utilities:
  • pvapy-hpc-consumer
  • pvapy-hpc-collector
• conda/pip package dependencies:
  • EPICS BASE = 7.0.6.1.C2.3
  • BOOST = 1.78.0
  • NUMPY >= 1.22 (for python >= 3.8); < 1.21 (for python < 3.8)

Release 4.2.0 (2022/06/07)

• added support for NtEnum
• updated structure IDs for NtScalar fields
• conda/pip package dependencies:
  • EPICS BASE = 7.0.6.1
  • BOOST = 1.78.0
  • NUMPY >= 1.22

Release 4.1.1 (2022/03/22)

• added pip support for OSX and ARM64
• enabled assigning IDs for structure fields
• updated NtNdArray object with IDs for structure fields to make it compatible with standard normative type
• improved frame rate accuracy for area detector simulator
• added ability to read image data from a given folder
• conda/pip package dependencies:
  • EPICS BASE = 7.0.6.1
  • BOOST = 1.78.0
  • NUMPY >= 1.22

Release 4.1.0 (2022/01/26)

• introduced PVA server mirror class
• added distributor plugin for the PVA server
• restricted numpy version to >= 1.22, as these versions resolve issues with boost python segfaults
• introduced PVAPY_EPICS_LOG_LEVEL environment variable to control logging in the epics PVA libraries; allowed log levels correspond to pvAccess library logger: 0 (all messages) to 7 (no messages; default)
• added command line utilities:
  • pvapy-mirror-server
  • pvapy-ad-sim-detector
• conda/pip package dependencies:
  • EPICS BASE = 7.0.6.1
  • BOOST = 1.78.0
  • NUMPY >= 1.22

Release 4.0.3 (2021/09/22)

• added isConnected() method to the Channel class
• introduced semi-permanent threads for asyncGet/asyncPut interfaces
• conda/pip package dependencies:
  • EPICS BASE = 7.0.6
  • BOOST = 1.72.0
  • NUMPY < 1.21

Release 4.0.2 (2021/09/14)

• fixed decoding error for strings that cannot be handled with utf-8 codec
• conda/pip package dependencies:
  • EPICS BASE = 7.0.6
  • BOOST = 1.72.0
  • NUMPY < 1.21

Release 4.0.1 (2021/09/12)

• updated asyncGet/asyncPut interfaces to allow exception callbacks, and fixed
  async connection issue (GitHub Issue #68, PR #69)
• conda/pip package dependencies:
  • EPICS BASE = 7.0.6
  • BOOST = 1.72.0
  • NUMPY < 1.21

Release 4.0.0 (2021/08/12)

• disabled info printout for PvaServer unless the debug log level is
  set to INFO (8) or DEBUG (16)
• fixed issue with channel puts involving objects like PvTimeStamp or
  PvAlarm (GitHub Issue #65, PR #66)
• made performance enhancements for channel gets and puts in
  multithreaded applications
• added asyncGet/asyncPut interfaces to the Channel class
• restricted numpy version to < 1.21 for conda and pip packages until
  boost python segfaults are resolved
• added support for access security in the PvaServer class
• fixed issue with timestamp processing in the PyPvRecord class
• conda/pip package dependencies:
  • EPICS BASE = 7.0.6
  • BOOST = 1.72.0
  • NUMPY < 1.21

Release 3.1.0 (2021/02/12)

• added support for MultiChannel put and monitor
• added PvValueAlarm, PvControl, and NtScalar wrapper classes
• fixed numpy initialization problem
• added error handling to RpcServer class
• added copy method to PvObject class
• conda/pip package dependencies:
  • EPICS BASE = 7.0.4.1
  • BOOST = 1.72.0
  • NUMPY > 1.15