Lines are quoted from the official notes; buff/nerf tags are auto-classified from the numbers and can be wrong. Covers the 14 most recent Dota 2 patches PatchMeter has fetched.
⇄adjustIllusory ArmamentsWhenever an illusion of Phantom Lancer is created, it can't have less than 18% of Phantom Lancer's damage for 3s. Damage increases by 2% with every 3 Phantom Lancer's level ups
✕removedPhantom RushNo Longer provides bonus Agility while active
▼nerfPhantom RushCooldown rescaled from 13/10/7/4s to 15/11/7/3s
⇄adjustPhantom RushNow provides 20/30/40/50% evasion while rushing
✕removedPhantom RushNo longer has a 2s linger effect
▼nerfJuxtaposeIllusion Damage decreased from 15/17/19% to 15%
⇄adjustPhantom RushAghanim's Scepter now additionally every 600 units rushed creates a Juxtapose illusion that rushes to the target alongside Phantom Lancer
▲buffPhantom RushAghanim's Scepter collision radius for Phantom Lancer increased from 75 to 125