It seems the updates for the Release Candidate planned to rollout on Blue Steel and Le Tigre did not make it. So, the package planned for Magnum was rolled to all three RC regions.

The Magnum package is the HTTP one with a crash mode fix.

So, if you have been testing the new Animation Override functions, you are out of luck for a week or so. The scripts you have made will continue to work. But, compiling (saving) new scripts to test is going to fail.