Dimensional Shift is a trait in Destiny 2 that can appear on 25 weapons. An enhanced version exists on crafted and some newer weapons.
What Dimensional Shift does
Collecting a Void Breach causes final blows to provide a Void Overshield.
Enhanced version
Collecting a Void Breach causes final blows to provide a higher value Void Overshield.
Weapons that can roll Dimensional Shift (25)
1000 Yard StareVoid · Sniper Rifle
Bane of SorrowVoid · Machine Gun
Chivalric FireVoid · Sword
Convened RecurveVoid · Combat Bow
Coriolis ForceVoid · Fusion Rifle
Corrective MeasureVoid · Machine Gun
Corrective Measure (Timelost)Void · Machine Gun
Falling GuillotineVoid · Sword
Forthcoming DevianceVoid · Glaive
Forthcoming Deviance (Adept)Void · Glaive
HammerheadVoid · Machine Gun
IRONWOOD 03Void · Hand Cannon
Likely SuspectVoid · Fusion Rifle
PythonVoid · Shotgun
Reckless OracleVoid · Auto Rifle
Seventh Seraph SI-2Void · Sidearm
The RecluseVoid · Submachine Gun
The RiposteVoid · Auto Rifle
Trophy HunterVoid · Sniper Rifle
UnforgivenVoid · Submachine Gun
UnvoicedVoid · Shotgun
Vikala SMG4Void · Submachine Gun
VS Gravitic ArrestVoid · Fusion Rifle
VS Velocity BatonVoid · Grenade Launcher
Zealot's RewardVoid · Fusion Rifle