Keep ListBox custom painting current during live resize

Status: Fixed
Fixed in: v26.8.6
Source discussion: https://forum.objo.dev/d/945-listbox-paint-lag
Last updated: 2026-08-29

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Public summary

ListBox custom cell painting can lag behind or remain incomplete while a desktop window is resized rapidly. Paint callbacks should converge on the latest visible cell dimensions so the final settled frame is fully painted.