The patch begins to roll out from Monday June 3rd next week, and is detailed in full below.
Battle Rifle
The Battle Rifle damage has been increased
The Battle Rifle is now capable of killing in four bursts
The Battle Rifle rate of fire has been slightly decreased
The Battle Rifle red reticle range (range at which auto-aim benefits kick in) has been decreased
Two bursts from a Battle Rifle followed by a melee will now kill an opponent (2-shot melee)
Carbine
The Carbine damage has been increased. The Carbine is now capable of killing in seven rounds
The Carbine accuracy has been increased (projectile spread decrease)
The Carbine red reticle range has been decreased
LightRifle
The LightRifle zoomed rate of fire has been increased
The LightRifle un-zoomed rate of fire has been slightly decreased
The LightRifle red reticle range has been increased to match the updated DMR range
DMR
The DMR red reticle range has been slightly decreased
Assault Rifle
The Assault Rifle damage has been slightly increased. The Assault Rifle now kills in three less rounds
The Assault Rifle auto-aim angle has been reduced
The Assault Rifle projectile spread has been decreased
Storm Rifle
The Storm Rifle damage has been increased. The Storm Rifle now kills in three less rounds
The Storm Rifle auto-aim angle has been reduced
The Storm Rifle projectile spread has been decreased
Suppressor
The Suppressor damage has been increased. The Suppressor now kills in three less rounds
The Suppressor auto-aim angle has been reduced
The Suppressor projectile spread has been decreased
SAW
The SAW's damage has been increased to maintain double the damage-per-second of the Assault Rifle
Magnum
The damage has been slightly increased. The Magnum is still capable of killing in six rounds
Vehicles
The damage has been increased on both the Mantis and Warthog Chain Gun.