• Use serialx instead of pyserial-async-fast for serial connections. cfr. https://developers.home-assistant.io/blog/2026/04/27/pyserial-to-serialx/

Release refs/tags/v0.2.3

Changes

• Allow concurrent outstanding requests
• Enable tests with Python 3.14 . Mark as explicitly supported.

Fixes

• Improve automatic reconnection logic

Added

• Add read exception status (0x07) PDU
• Add report server ID (0x11) PDU
• Add mask write register (0x16) PDU
• Add file read (0x14) and write (0x15) PDU
• Add read FIFO queue (0x18) PDU
• Add ASCII modbus support
• Add RTU-over-TCP support

Changed

• The WordAwareStruct is not exposed in the API anymore: you can just pass a normal string or Struct as format_struct in the read_struct_format functions.

Full Changelog: v0.1.0...v0.2.0

Initial release.