For a great collection of info, see Skidushe's excellent thread.
Also check out these instructional videos to get started; One covering the basics, and one covering Monitor Distance in details:
Version 7.5.o (February 15, 2019) - This is a brand new version with support for multi-calculations, see this thread for info!
The old version is available here so you can check if you encounter a bug.
New games: Metro Exodus, The Divison 2, Apex Legends, Bright Memory, System Shock: Enhanced Edition, Unloved, GoldenEye 007, Mavericks, Anthem.