GNOME Settings Applet often Hangs Orca

[David Hunt]

This is an installation of GNOME 3.27 in Ubuntu 18.-04 pre-release , 
64-bit.  When the settings applet is started, Orca goes silent, and 
speech is restored by closing settings applet, sometimes.


Expected Behavior:  I start the System Settings applet, and can navigate 
the panes using tab key, arrow keys, space, return, etc, all with speech.


Actual Behavior:  I have a fully-functional speech support, provided 
orca, until I start System Settings applet. No speech from anything in 
the session, except for orca's on/off state. Killing System Settings, 
using 'alt+f4' seems to close the applet, and, after a long delay, 
speech resumes.  See the attached debugging output; hope this helps.



Cheers,



Dave





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