Jerky / Jumps around when using..

[mattwoberts]

Hi

Anyone else finding that this component can be quite jerky, and it jumps around when you're using. I've got a video from the simulator here - 249 countries. I just click on the "U" to go there, and you can see it's jumping and struggling with this. Then I move around a little bit and you can see the header bouncing a bit and basically not coping very well.

It's worse on the simulator, on the actual device it's faster but still has the same jumping / stuttering / jerky issues...

Simulator.Screen.Recording.-.iPhone.13.-.2022-06-22.at.11.05.36.mp4

[Beltarm]

were you able to fix it?

[iamgraeme]

@mattwoberts Were you able to fix this?

[iamgraeme]

Anyone else looking for a solution for this
initialNumToRender={100} maxToRenderPerBatch={500} updateCellsBatchingPeriod={10} windowSize={400}
You'll need to change the values based on your list...

[JCharante]

And btw, those props get passed down from AlphabetList to SectionList (initialNumToRender) and it's a child class of VirtualizedList (maxToRenderPerBatch) so you don't need to create a fork or anything (which is what I was starting to do). Just adding initialNumToRender and maxToRenderPerBatch fixed it perfectly for me.