4.3.0

In this release, we've raised the minimum Python version to 3.8, added several new features to the API and as always plenty of bug fixes and interface improvements.

Breaking Changes

• Raise Minimum Python Version to 3.8 (#1597)
• Do not stop notifier if exception was handled (#1645)

Bug Fixes

• Vector: channel detection fails, if there is an active flexray channel (#1634)
• ixxat: Fix exception in 'state' property on bus coupling errors (#1647)
• NeoVi: Fixed serial number range (#1650)
• PCAN: Fix timestamp offset due to timezone (#1651)
• Catch pywintypes.error in broadcast manager (#1659)
• Fix BLFReader error for incomplete or truncated stream (#1662)
• PCAN: remove Windows registry check to fix 32bit compatibility (#1672)
• Vector: Skip the can_op_mode check if the device reports can_op_mode=0 (#1678)
• Vector: using the config from detect_available_configs might raise XL_ERR_INVALID_CHANNEL_MASK error (#1681)

Features

API

• Add modifier_callback parameter to BusABC.send_periodic for auto-modifying cyclic tasks (#703)
• Add protocol property to BusABC to determine active CAN Protocol (#1532)
• Change Bus constructor implementation and typing (#1557)
• Add optional strict parameter to relax BitTiming & BitTimingFd Validation (#1618)
• Add BitTiming.iterate_from_sample_point static methods (#1671)

IO

• Can Player compatibility with interfaces that use additional configuration (#1610)

Interface Improvements

• Kvaser: Add BitTiming/BitTimingFd support to KvaserBus (#1510)
• Ixxat: Implement detect_available_configs for the Ixxat bus. (#1607)
• NeoVi: Enable send and receive on network ID above 255 (#1627)
• Vector: Send HighPriority Message to flush Tx buffer (#1636)
• PCAN: Optimize send performance (#1640)
• PCAN: Support version string of older PCAN basic API (#1644)
• Kvaser: add parameter exclusive and override_exclusive (#1660)
• socketcand: Add parameter tcp_tune to reduce latency (#1683)

Miscellaneous

• Distinguish Text/Binary-IO for Reader/Writer classes. (#1585)
• Convert setup.py to pyproject.toml (#1592)
• activate ruff pycodestyle checks (#1602)
• Update linter instructions in development.rst (#1603)
• remove unnecessary script files (#1604)
• BigEndian test fixes (#1625)
• align ID: in can.Message string (#1635)
• Use same configuration file as Linux on macOS (#1657)
• We do not need to account for drift when we USE_WINDOWS_EVENTS (#1666, #1679)
• Update linters, activate more ruff rules (#1669)
• Add Python 3.12 Support / Test Python 3.12 (#1673)