Descovered a but on Slint where if the reported sizes differ preferences would not rport. HOpefully fixed. This could probably affect more than just Slint, just happened to catch it there.

internal/atspi/adapter.go

@@ -121,6 +121,7 @@ type Adapter struct {
 	foregroundReader     *xorg.ForegroundReader  // GLib thread only
 	foregroundProcesses  map[int]bool            // GLib thread; provider PID matches for current client
 	foreground           atomic.Pointer[ForegroundState]
+	preferencesPID       atomic.Int64 // Owned preferences helper; zero when closed.
 	echoFocus            atomic.Pointer[echoFocus]
 	eventListener        *C.AtspiEventListener // GLib owner; released with subscriptions.
 	foregroundChanges    chan struct{}