Halo: Campaign Evolved patch closes LASO glitch, but co-op may still offer a loop

Halo: Campaign Evolved’s August 17 update blocks the LASO and Mix Master achievement glitches by ensuring progress is not awarded incorrectly when restricted Skulls or difficulty modifiers are used, effectively killing the solo-glitch route. However, early reports suggest online co-op may still allow the LASO Mythic achievement to unlock for non-host players, meaning the loophole could persist in that mode. The patch also adds options to disable chromatic aberration and film grain, improves PC upscaling, and fixes a slew of issues (Sgt. Johnson in Boarding Action, weapon behavior, Active Camo, and more), plus a new Recompilation Armor skin via Halo Waypoint.