Software Release Summary ContentsIntroductionDetails of new features and improvements that have been included in the latest release of the LightHouse 4 operating system are detailed here.LightHouse 4 v4.11.133 Release Notes (July 2026)The following changes have been implemented in release v4.11.133 of the LightHouse 4 operating system.Compatibility for First-Generation Axiom-Series displaysImportant compatibility information and upgrade considerations when using older chartplotters.Previous topic: Software detailsNext topic: General information