– Contrast and saturation adjustments for LiveView – Advanced FPS control (24.000 FPS and 0.2 FPS possible)
– Advanced ISO control (ISO 80, improved highlight rolloff, ISO 51200…) – Supports latest Canon firmware for 5D mark II, 60D, 600D and 50D We have worked a lot on bug-fixing and usability improvements and we sincerely hope you will find it a great companion for all your shooting sessions – from hobbyist to professional. We can safely say it’s no longer a hack, but it’s strongly heading towards a solid piece of engineering that you can trust. Magic Lantern 2.3 release version is now here and the creators say it’s no longer a “hack”. Retrieved 17 January 2014.The testing phase for Magic Lantern 2.3 is over. "Will Custom Firmware Void My Warranty? Canon, Nikon and Panasonic Respond".
Im not sure why they cant be ported over to 7D, but there must be a technical reason.
"Magic Lantern - Free Software on Your Camera".