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v3.0.6 v3.1.4

libmodbus

A Modbus library for Linux, Mac OS X, FreeBSD, QNX and Win32
libmodbus v3.1.2
release

If you still want to listen any addresses in your TCP IPv4 server, you must now set the IP address to NULL in modbus_new_tcp before listening. Now, modbus_tcp_listen only listen the IP address set in the Modbus context (see documentation).

This release introduces API changes on modbus_get_byte_timeout, modbus_get_response_timeout, modbus_set_byte_timeout, modbus_set_response_timeout to ease writing of language bindings.