From Attila on the Orca list:

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Joanie, I testing detailed my oldest time wrote active profile related 
issue.
Prewious, I created testing purpose an another profile with containing 
another style laptop bindings (changed say all, changed say title 
commands, changed Orca search related commands etc), because some laptop 
bindings is conflicting with hungarian keyboard layout if not installed 
the US keyboard layout if this keyboard layout not have the top of the 
keyboard layout list.
When I switching the default profile with new profile, wonderful work.
But when I try switching the active profile from this new profile to 
default profile back, or switching the profile with startup profile 
combo box to default profile, nothing happening if I click the load 
button or clicking the Ok button with preferences dialog. The active 
profile combo box value or the startup profile combo box is changed 
(depending what combo box value I changed), but the keybindings is not 
restored with default values.
Anybody confirming this issue? I very hope only my system have this bug.
I tryed testing this possibility with following bug related:
https://bugzilla.gnome.org/show_bug.cgi?id=607847
This possibility is important with Natty related for hungarian users if 
not will be committed my last attached patch.