OS Mavericks: Painting/Drawing issues in Preview.app

Originator:reedmangino
Number:rdar://14819043 Date Originated:8/23/2013
Status:Closed Resolved:Duplicate
Product:OS X Product Version:10.9
Classification:Serious Bug Reproducible:Always
 
Summary:

There is a painting problem in Preview.app when rapidly scrolling towards the bottome of the attached pdf (downloaded directly from apple.com) (See linked movie for a visual example of the bug in action)

Movie:
https://www.dropbox.com/s/yy0876imt9z12tz/10.9%20Preview%20Painting%20Bug.mov

Steps to Reproduce:

1) Open Pages09_UserGuide.pdf using Preview.app in OS 10.9
2) Grab the scroll knob and scroll down towards the bottom of the document.
3) As you near page ~180 a painting issue occurs - gray blocks.

Expected Results:

There are no painting issues no matter how fast you scroll.

Actual Results:

Gray painting issues that remain until the document is re-opened.

Regression:

This does not occur under OS X 10.8.

Notes:

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Closed as Duplicate of 14751980

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