Well, at first we thought perhaps the Halo Updates had finally run out of steam, but as it turns out there was still enough for at least one more-- and a good one, at that. It's over at Haloplayers this week.
Besides including a note from Chris Butcher that crewmen in Halo 'fight better than BoBs'-- damning with faint praise if I ever heard it-- there are some other AI improvements as well:
We don't have to think too hard about what that previous procedure was. Check out the entire update at Haloplayers.- Post-combat behavior is in; AIs now can now comment to themselves or each other after an encounter, shoot enemies on the ground to make sure they're still dead, and so on.
- AI units now know the difference between darkness and light, and consequently know when to use the flashlight.
- Signaling animations are in; you'll see Marines waving, pointing things out to each other and so on.
- You can order Marines to get the hell out of the Warthog so you can drive it. This is a more humane alternative to the previous procedure for removing them from vehicles.