Steps to Reproduce

1. run the attached example
2. click "doFilter by remove/add""
it removes some items by calling removeAll(collection)
3. check console

Current Result

create 400 rows

Expected Result

around 150 rows since initRodSize=50, preloadSize=100

Debug Information

1. set rod=false, perform above steps, Grid just creates 7 rows, even fewer than ROD=true, which is unexpected

Workaround