Is it safe to track trunk in Django?
You probably shouldn't pull Django trunk every day, sometimes there are big commits that might break some things on your site. Also it depends what features you use, the new ones will of cause be a bit more buggy than older features. But all in all there shouldn't be a problem using trunk for production. You just need to be careful when updating to latest revision.
You could for example set up a new virtual environment to test, before updating the live site. There are many ways to do something simelar, but I will let you take your pick.
I'm currently using Django 1.1 beta for some personal projects, and plan to start messing arround with the trunk to see the new stuff under the hood. But I might start using it on a professional basis, and I'd need to know if trunk is stable enough for using in production, or I should stick to 1.0 for mission critical systems.
Edit
Putting all the information in answer for correctness.