This is a roundup bug for all keybinding issues for Nimbus.

Arrow key are not working in JSpinner to increament / decrement the value in it.
Step to reproduce:
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1) Run SwingSet2.
2) Select JColor Chooser.
3) Click ' Background' button. You will see a color chooser. Select 'HSB' tab.
4) Click inside the jspinner & press up/ down arrow key to increment or decrement the value of jspinner. If the value dn't change then the bug is reproduced.

Pressing F10 is not selecting the First Menu
Step to reproduce:
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1) Run Swingset2.
2) Press F10 & observe that first menu is not selected. Ths is reproducable in all OS in nimbus lookAndFeel.
When we want to rename a file or folder, first we select & press F2 so that selected file or folder can go to rename mode i,e textfield can be seen. But in nimbus LAF press F2 dn't go to rename mode.

Pressing F2 on selected file/folder dn't go to rename mode.
Step to reproduce:
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1) Run SwingSet2.
2) Select 'JFileChooser' demo.
3) Click on 'show Plain fileChooser' button. select 'C' drive from the 'Look up' combobox & any file or folder & press F2 . If you dn't see the selected file or folder turned to rename mode, then bug is reproduced.

Pressing ESCAPE key dn't close the dialog( Filedialog, OptionPane, JComboBox popup)
step to reproduce :-
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1) Run SwingSet2.
2) Select FileDialog demo .
3) Click on 'Show Plain File Dialog' button & observe tha a file dialog is seen.
4) Press Esacpe key , Observe that file dialog dn't dispose or close. If you see the same then the bug is reproduced.
This is seen in all OS & only in Nimbus LookAndFeel.
After adding extra keybindings for FileChooser, I found that SynthFileChooserUIImpl was missing the actions for those bindings.
bug6594210 is also covered in this fix,
Nimbus L&F:JInternalFrame does not have any keybindings.
This is observed on Nimbus L&F all OS with the current 6u4b02 pit build.