[ONE Android Development] coloured_chalk:
I have Force Close of Settings using 09/20 clean installed.

logcat:

09-22 12:20:01.865 12599 12599 E ActivityThread: Failed to find provider info for user_dictionary
09-22 12:20:01.865 12599 12599 D AndroidRuntime: Shutting down VM
09-22 12:20:01.868 12599 12599 E AndroidRuntime: FATAL EXCEPTION: main
09-22 12:20:01.868 12599 12599 E AndroidRuntime: Process: com.android.settings, PID: 12599
09-22 12:20:01.868 12599 12599 E AndroidRuntime: Theme: themes:{}
09-22 12:20:01.868 12599 12599 E AndroidRuntime: java.lang.RuntimeException: Unable to resume activity {com.android.settings/com.android.settings.SubSettings}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.preference.Preference.onPrepareForRemoval()' on a null object reference
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3137)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3168)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1407)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.os.Handler.dispatchMessage(Handler.java:102)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.os.Looper.loop(Looper.java:148)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.ActivityThread.main(ActivityThread.java:5463)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at java.lang.reflect.Method.invoke(Native Method)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:102)
09-22 12:20:01.868 12599 12599 E AndroidRuntime: Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.preference.Preference.onPrepareForRemoval()' on a null object reference
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.preference.PreferenceGroup.removePreferenceInt(PreferenceGroup.java:188)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.preference.PreferenceGroup.removePreference(PreferenceGroup.java:181)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at com.android.settings.inputmethod.InputMethodAndLanguageSettings.updateUserDictionaryPreference(InputMethodAndLanguageSettings.java:295)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at com.android.settings.inputmethod.InputMethodAndLanguageSettings.onResume(InputMethodAndLanguageSettings.java:360)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.Fragment.performResume(Fragment.java:2263)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1008)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1148)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1130)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.FragmentManagerImpl.dispatchResume(FragmentManager.java:1963)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.FragmentController.dispatchResume(FragmentController.java:174)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.Activity.performResume(Activity.java:6348)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3126)
09-22 12:20:01.868 12599 12599 E AndroidRuntime:	... 9 more
09-22 12:20:01.870 2177 3270 W ActivityManager: Force finishing activity com.android.settings/.SubSettings

Userstory: enter some subsettings (Wi-Fi, for example), then hit "Back" (HW Button or Arrow)