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Type:
Bug
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Status: Closed
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Priority:
P2: Important
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Resolution: Done
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Affects Version/s: 5.6, 5.11.1
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Fix Version/s: 5.13.0 Alpha 1
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Component/s: Widgets: Itemviews
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Labels:None
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Commits:43ed09fed59d55a8792fad87ef9a75382b5c60ff
When a view has millions of elements, scrolling with the scrollbar is fast, however, scrolling by using up/down arrow is slow.
This stackoverflow post is a very good summary of the bug: https://stackoverflow.com/questions/32449642/qlistview-with-millions-of-items-slow-with-keyboard
This stackoverflow answer analyses the problem: https://stackoverflow.com/a/50904999/3336423
The slow behavior was introduced by the fix of QTBUG-21804