The zombie action FPS Left 4 Dead 2 has just been updated with several fixes, which are meant to improve the overall gameplay experience.First of all, Valve introduced two small blockers that will prevent players from being stuck:
"- Swamp Fever – The Swamp: added additional self-terminating survivor-only blockers to the areas above the airplane wreckage to prevent players from skipping the airplane event;
- Cold Stream South Pine Stream: Added a small blocker next to a crate near the military truck near mid-level to resolve a minor stuck spot."
In addition, the update fixes some issues with the game and tools not launching on PCs with 16+ CPUs. Valve also fixed controller navigation in mutation menus. For the full changelog of the update head over to the original thread.