Modbus Mapper Pro Release Notes¶

v2.1.0.0 — August 5, 2026¶

Added a permanent Free edition with passive RS-485 monitoring and traffic logging.
Added RS-485 Replay Emulator mode and replay exchange recording.
Added ARM64 portable download support.
Added Modbus ASCII monitoring, decoding, map building, capture, and replay.
Added automatic recognition of valid Modbus RTU and Modbus ASCII frames.
Added support for 9600 7E1 and other user-selected serial framing options.

Improved RS-485 passive monitoring, replay matching, fragmented-frame recovery, and serial timing.
Improved Modbus map creation for coil and holding-register write functions.
Added safe log-only handling for unsupported and vendor-custom Modbus function codes.
Expanded automated regression coverage for RTU, ASCII, serial framing, replay, and write-function decoding.
Improved replay handling for fragmented, concatenated, and custom Modbus messages.
Replay and Modbus-map CSV exports can include serial-port and application settings.
Simplified license activation and improved subscription validation.
Added clear Free/Pro limits for live map points and captured requests.

Fixed Modbus ASCII capture when seven data bits are selected; serial settings are now applied exactly as configured.
Fixed write-function address and quantity decoding that could create invalid map entries.
Added clearer serial-port diagnostics showing the settings applied when a port opens.
Improved serial-port start, stop, diagnostics, and settings persistence.
Fixed live status LED and replay-capture counter updates after navigation.
Fixed x86 publishing support for Panigate dependencies.