RM/S 2.1 Room Master Premium Application Program Changelog

This document is a software release history and changelog for the ABB i-bus KNX Room Master, Premium application program (versions 2.1 through 2.8a), detailing bug fixes, feature updates, and parameter changes for the RM/S 2.1 device. It covers corrections for relay control, valve short circuits, blind output status, room scenario triggers, and time interval errors, with notes on ETS5 support and multilingual availability.