Hi Ben,
Sorry to hear that, that certainly shouldn’t occur as regardless of how many projects you have in the system Bulk Edit will only load 20-30 at a time.
Meaning that the issue is likely to be caused by something preventing the data from loading, are you getting any errors in the first few seconds of the load? Also are you able to press F12 and select the “Console”, do you see any errors displayed?
I am currently preparing a new release with some bug fixes that I have had to make due to changes in Project Online, so it is possible this is affecting you, if so that update should be out in the next week or so but any information you can provide would help.
Thanks,