Poor performance in tree with many items

[username14415]

I've noticed there's a new version of the Tree example here: https://atlassian.design/components/pragmatic-drag-and-drop/examples

I opened the sandbox for this example and added more data — around 1000 items. I noticed some lag when interacting with the tree. Do you have any recommendations on how to improve the performance?

Screen.Recording.2025-05-18.at.05.20.13.mov

[misha-erm]

I believe that has little to do with the lib itself. You should either use virtualisation or maybe re-composition react components to avoid re-rendering of the whole tree