Marathon 1
Plugin Version Last Updated Release Notes
Monsters 1.1 2022-08-06 Fix upscaling bugs
Scenery 1.1 2022-08-06 Fix upscaling bugs
Textures 1.0 2022-02-04 Initial release
Weapons 1.1 2022-08-06 Fix upscaling bugs

Marathon 2
Plugin Version Last Updated Release Notes
Landscapes 1.1 2020-11-25 -
Textures 1.2 2021-04-03 -
For Monsters, Scenery, and Weapons, use the Infinity versions.

Marathon Infinity
Plugin Version Last Updated Release Notes
Landscapes 1.1 2021-04-10 -
Monsters 1.1 2022-08-06 New AI model
Scenery 1.3 2022-08-06 Fig upscaling bugs, better handling of small alpha layer
Textures 1.2 2021-04-03 -
Weapons 1.4 2022-08-06 Fix upscaling bugs