This is an excellent review by SuppVersity of a study on squat depth which basically agrees with what I said back here: Squatting deeper allows you to get the same stimulus with less weight (or greater stimulus with the same weight), which allows you to grow more without placing more stress on your joints and discs.

Full ROM = More Growth, More Strength, More Structural Changes & More Sustainable Gains & Fat Loss – Insights from Realistic 8 Weeks Leg Training + 4 Weeks Detraining – SuppVersity: Nutrition and Exercise Science for Everyone