Added, Visual mode, DECORATE: "Alpha" and "DefaultAlpha" properties are now supported.

Added, Visual mode, DECORATE: "RenderStyle" property is now partially supported.
Added, Visual mode, DECORATE: +BRIGHT flag is now supported.
Added, Visual mode, UDMF: "Alpha" thing property is now supported.
Added, Visual mode, UDMF: "RenderStyle" thing property is now partially supported.
Added, Visual mode, Hexen map format and UDMF: "Translucent" and "Invisible" thing flags are now supported.
Added, Game Configurations: added "alpha" and "renderstyle" Thing and Thing Category properties.
Fixed, Visual mode: blockmap was not updated when moving things using "Move Thing Left/Right/Forward/Backward" and "Move Thing to Cursor Location" actions.
DECORATE parser: added a warning when unable to find actor's parent class.
Internal: current map format can now be checked using "General.Map.UDMF", "General.Map.HEXEN" and "General.Map.DOOM" properties.
Updated documentation ("Game Configuration - Things Settings" page).