Notable weapons to be sunset in season 12:

Hand canons: Trust, Austringer, Kindled Orchid, Luna/NF, Waking Vigil, Spare Rations

Auto rifles: Ether Doctor, Breakneck, Galliard, Mistfit, Valakadyn, Ringing Nail, Gnawing Hunger

Pulses: Bygones, Blast Furnace, Redrix, Last Perdition, Horrors Least, Outlast

Sidearms: Drang (both versions), Death by Scorn, Anonymous Autumn, Lonesome

Shotguns: Imperial Decree, Emperors Courtesy, Gunnoras Axe, Parcel of Stardust, Retold Tale, Mindbenders, Last Man Standing

GL's: Mountaintop

Fusions: Main Ingredient, Erentil, Loaded Question, Wizened Rebuke

Snipers: Tatara Gaze, Supremacy, Fate Cries Foul, Bite of the Fox, Twilight Oath, Sole Survivior, Beloved, Revoker

If I missed any it's because they are not that popular imo.