Hello!
For first sorry for my english =)
If developers worked on more optimizations i have some suggestions (may be has been previously):
1. Creating mechanism of disabling shadows and fog and other effects.
2. Creating mechanism of disabling weather.
3. Creating mechanism of swich to low quality models & textures of gaming elements.
4. Creating mechanism of disabling sea waves.
5. Creating mechanism of disabling animations of grass and trees.
*[duplicated with
http://steamcommunity.com/workshop/filedetails/discussion/709170194/343785574523963339/]