- Fixed a client-server desync when an instant restart occurred during slow motion.
- Instant restart can now occur on challenges that use scripts.
- Added two orange skyboxes, one from Left 4 Dead and one from Half-Life 2: Episode One, for use in maps where a blue skybox doesn’t make sense.
- trigger_serverragdoll now works on marines.
- Added a global IsAnniversaryWeek function for community maps that want to do something to celebrate Alien Swarm: Reactive Drop’s anniversary.