Created attachment 181515 [details] Bluetooth - Forget this Device SUMMARY After "forgetting" a bluetooth device, the KCM page for the device stays open, but the device object is gone, so every control on the page (except the Back button) is broken/explodes with errors at this point. STEPS TO REPRODUCE 1. Open device's settings 2. Forget button -> Forget this Device 3. Interact with any controls on the page OBSERVED RESULT Nothing works or even makes sense. The broken page generates various errors all related to the fact that the Device object is gone: qrc:/kcm/kcm_bluetooth/ForgetDeviceAction.qml:17: TypeError: Cannot read property 'name' of null qrc:/kcm/kcm_bluetooth/Device.qml:180: TypeError: Cannot read property 'uuids' of null qrc:/kcm/kcm_bluetooth/Device.qml:168: TypeError: Cannot read property 'blocked' of null qrc:/kcm/kcm_bluetooth/Device.qml:159: TypeError: Cannot read property 'trusted' of null qrc:/kcm/kcm_bluetooth/Device.qml:152: TypeError: Cannot read property 'name' of null qrc:/kcm/kcm_bluetooth/Device.qml:147: TypeError: Cannot read property 'adapter' of null qrc:/kcm/kcm_bluetooth/Device.qml:142: TypeError: Cannot read property 'address' of null qrc:/kcm/kcm_bluetooth/Device.qml:136: TypeError: Cannot read property 'battery' of null qrc:/kcm/kcm_bluetooth/Device.qml:137: TypeError: Cannot read property 'battery' of null qrc:/kcm/kcm_bluetooth/script.js:11: TypeError: Cannot read property 'type' of null qrc:/kcm/kcm_bluetooth/Device.qml:109: TypeError: Cannot read property 'connected' of null qrc:/kcm/kcm_bluetooth/Device.qml:112: TypeError: Cannot read property 'blocked' of null qrc:/kcm/kcm_bluetooth/Device.qml:108: TypeError: Cannot read property 'connected' of null qrc:/kcm/kcm_bluetooth/Device.qml:94: TypeError: Cannot read property 'icon' of null qrc:/kcm/kcm_bluetooth/Device.qml:27: TypeError: Cannot read property 'name' of null qrc:/kcm/kcm_bluetooth/Device.qml:107: TypeError: Cannot read property 'blocked' of null qrc:/kcm/kcm_bluetooth/Device.qml:115: TypeError: Cannot read property 'connected' of null qrc:/kcm/kcm_bluetooth/Device.qml:153: TypeError: Value is null and could not be converted to an object qrc:/kcm/kcm_bluetooth/Device.qml:160: TypeError: Cannot read property 'trusted' of null qrc:/kcm/kcm_bluetooth/Device.qml:169: TypeError: Cannot read property 'blocked' of null qrc:/kcm/kcm_bluetooth/ForgetDeviceDialog.qml:74:17: QML Connections: Detected function "onAdapterRemoved" in Connections element. This is probably intended to be a signal handler but no signal of the target matches the name. qrc:/kcm/kcm_bluetooth/ForgetDeviceDialog.qml:74:17: QML Connections: Detected function "onPoweredChanged" in Connections element. This is probably intended to be a signal handler but no signal of the target matches the name. qrc:/kcm/kcm_bluetooth/ForgetDeviceDialog.qml:75: TypeError: Cannot read property 'adapter' of null qrc:/kcm/kcm_bluetooth/ForgetDeviceDialog.qml:35: TypeError: Cannot read property 'name' of null qrc:/kcm/kcm_bluetooth/ForgetDeviceDialog.qml:63: TypeError: Cannot read property 'adapter' of null EXPECTED RESULT The page should be automatically popped from the stack. SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 6.3.5 KDE Frameworks Version: 6.14.0 Qt Version: 6.9.0 Kernel Version: 6.14.6-arch1-1 (64-bit) Graphics Platform: X11 ADDITIONAL INFORMATION Android, for example, automatically pops back the navigation stack after its functionally identical popup.
A possibly relevant merge request was started @ https://invent.kde.org/plasma/bluedevil/-/merge_requests/209
Git commit b57def97b6a79b11fbf166e81f677952f0816eb5 by Nate Graham, on behalf of ivan tkachenko. Committed on 30/10/2025 at 21:12. Pushed by ngraham into branch 'master'. KCM: Pop the Device page when the device becomes unavailable Pretty much copy-pasted from ForgetDeviceDialog.qml FIXED-IN: 6.6.0 M +23 -0 src/kcm/ui/Device.qml https://invent.kde.org/plasma/bluedevil/-/commit/b57def97b6a79b11fbf166e81f677952f0816eb5