Insurgency: Sandstorm update 1.22 Operation: Echoes brings back UM45 and MP40

Insurgency: Sandstorm's Update 1.22, Operation: Echoes, is here. The release notes cover visual overhauls for Power Plant and Hideout, the return of the UM45 and MP40 SMGs, new premium DLC, fresh customization, and a large batch of fixes. The update notes are dated October 14, 2026.

Operation: Echoes gives two classic maps a visual pass. Power Plant and Hideout get better visuals across the board, with more detailed interiors and exteriors plus refined map geometry. Video links: 1, 2.

Two SMGs are back in loadouts. The UM45 (SEC) is a modern close-quarters powerhouse that trades raw fire rate for heavy .45 ACP stopping power and rock-solid control. The MP40 (INS) is a legendary piece of battlefield history, delivering 9mm automatic fire with unyielding reliability.

• Seasoned Warrior Gear Set (SEC): six cosmetic gear pieces—Seasoned Warrior Headgear, Seasoned Warrior Eyewear, Seasoned Warrior Top, Seasoned Warrior Gloves, Seasoned Warrior Bottom, Seasoned Warrior Boots.
• Remnant Gear Set (INS): five pieces—Remnant Hat, Remnant Top, Remnant Gloves, Remnant Bottom, Remnant Boots.
• Woodwork Weapon Skin Set (SEC): six skins for M16A4, MP5A5, M870, M240B, M24, M45.
• Reclaimed Weapon Skin Set (INS): six skins for M16A2, MP5A2, TOZ-194, PKM, L96A1, M1911.
• New facial hair: Curtain and Regulation Moustache.
• New uniform camo: DPM, M90K, Desert Tigerstripe.

The update fixes issues across Art & Graphics, Gameplay, Level Design & Improvements, UI/UX, Mod Editor, and Miscellaneous.

• Art & Graphics: fixed animation, clipping, scope, skin, and attachment issues involving the M82A1 CQ magazine, PMC Glasses/Survivor Goggles, AKM drum magazine with War Torn skin and underbarrel attachment, M24 grips, Desert Eagle grip, MP5A5 magazine, 2-1x holographic sight desert coloring, suppressor size, QBZ-97 underbarrel grenade launcher sight blocked by laser sight, M4A1 Aiming Grip left hand, dropped weapon skin textures, SG552 Dragon Skin extended magazine, Climber Gloves with Detainer Jacket, TK-33 slide/extended magazine/attachments, MP7 Desert Hex 1X Holographic Sight, PKM magazine after interrupted reload, G36K 1.5X-1X CH sight ADS obstruction, MR73 2.5x CT scope rim blur in Normal mode, RPK gas tube cover, AUG A3 1.5x-1x A1 scope Picture-in-Picture at 1x darkening, Browning M2HB turret mount, and IR Flashlight on night vision scopes with Point Shooting Grip.
• Gameplay: fixed body collision boxes blocking projectiles across game modes, automatic fire pausing near magazine end before remaining rounds, Range mode vehicles stationary after spawning and vanishing after interaction, AI bot movement in smoke, inconsistent 4x optic magnification across scopes/viewing modes, repeated First Round of the Day XP after every match in a single day, fire support helicopters destroyed instantly by bots, warm-up joiners missing final supply boxes/mid-game ammo crates, auto-cannon strafe spread over long distances, Hardcore Checkpoint sprint/fire-mode animation errors, anti-materiel rifle audio muffling, 3x YMA95-1 reticle misalignment downward in Normal mode, and Hold enemy vehicles failing to defend captured objectives in COOP/Local Play Checkpoint.
• Level Design & Improvements: fixed Power Plant players getting stuck behind a fence, Hold floating Remote Explosives on specific walls, Hold air compressor collision boxes, Last Light ground clip exploit, Refinery Water Tower rendering, Tell boost into an unfair spawn-killing vantage, Forest distorted textures/shadows, Hold stuck environmental geometry, and Forest close-distance pop-in.
• UI/UX: fixed controller/game settings and sensitivity resets after every match, purchase notification controller navigation lock, Replay free camera coordinates on Hold, FAL and L96A1 ammo count timing, Range melee loadout reset, Hold Survival HUD capture points, and the missing Operation Clear Sight DLC category in the in-game UI.
• Mod Editor: fixed a BP_IngameMenu compilation error related to challenges.
• Miscellaneous: fixed high CPU usage on community servers, including while idling.
• Known issue: scope reticles and laser sights may appear misaligned when using higher-magnification scopes.