Change Frame not working, possible bug?

I'm having some problems with the Change Frame-action (aka force frame) for the Active Object. Unless this action is called at the start of the frame, it won't work when called later on. I don't remember having any problems with this before and figured it might be a new bug since I just upgraded to the new 284.0 beta this morning. However, I thought I might as well share the problem here in case I've just misunderstood how Change Frame works.

Check out this example and read the comments in the event editor for more info.

Attachment 15746

Yep that's definitely a bug.

Caused by 'Paste Into Background' somehow, coz using fresh actives works fine.

Also, you can isolate every second loop with the mod operator, save you screwing round with flags.

Or use animation sequences.

Thanks for the suggestions, I wasn't aware of the mod operator.