If I open up all the event groups in my project to expose its 10000+ lines of code, you can't scroll through them with the scrollbar in 2.5
Works in 2.0
When you have the scrollbar selected, it will constantly bounce up to the top of the event editor
This appears to kick in when scrolling past event #1000-1400 or so, it is not pegged to a specific event but seems to be more a matter of displayed height
Should be reproduced in this example:
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