• Fix: clearCaches now rechecks the rows that are already on screen, so resetting the size cache does not leave items stuck in old positions.
• Perf: Scrolling through content that is already rendered now updates viewability with less work.
• Perf: Trimmed repeated work during scrolls, especially around recycled containers, sticky headers, size checks, and viewability.
• Perf: Large and fast scrolls now reuse more of the same scroll state instead of recalculating it in multiple places.