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[BUG] in ext-188.8.131.529 Headerless window maximized caused Cannot call method 'suspend
When a window without header is set to minimized:true, it caused the following error which did not exists in 4.1:
Uncaught TypeError: Cannot call method 'suspendLayouts' of undefinedext-all-debug-w-comments.js:123591Screen Shot 2013-02-28 at 11.44.00 PM.png
Thanks for posting, this one has already been fixed up for the release.
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