From 1.1.15 to 1.1.16

• `UI.InputNumber', `AddNotify';
• `Score()' property of starships and planets;
• `Colonists.Supported', `Defense.Base.Max', `Fighters.Max' properties of planets;
• `BuildHulls' etc.;
• `Write' message command;
• Markers can now be assigned color 0 to make them invisible and inaccessible through the normal user interface;
• Accesses to properties of non-existing objects yielded an error since 1.1.12; they now again yield EMPTY as documented.