Many, many new improvements including:

* Slowfall potions, invisibilty potions, and gas mines
* Parallax occlusion mapping is now supported, giving textures even more depth and the feeling of being 3D
* Numerous new objects and textures
* Dozens of bug fixes
* AI vision has been improved so that their ability to detect loot and bodies responds more consistently to illumination
* Training mission has been overhauled and enlarged to incorporate features from recent updates
* More translations and subtitles are available, making the game even more accessible

https://forums.thedarkmod.com/index.php?/topic/22679-the-dark-mod-213-update-is-now-available