We need to investigate all of these and either restore the missing slots or remove the useless cruft calling slots that no longer exist for good reason.

• AudioInstrumentParameterPanel::updateAllBoxes() in src/gui/editors/parameters/AudioInstrumentParameterPanel.cpp:81

• NoteRestInserter::handleEventRemoved(Event *) in src/gui/editors/notation

Deferred until Abraham Darby or beyond unless someone else just feels like piddling sooner. Needs some sorting to fit into the new scheme of things, and I don't feel arsed.

• NotationView::slotToggleAnnotations()
• NotationView::slotToggleLilyPondDirectives()

• NotationWidget::slotEnsureTimeVisible(timeT) in src/gui/editors/notation/NotationWidget.cpp:290
• Panned::updateScene() in src/gui/editors/notation/NotationWidget.cpp:385

• Object::connect: No such signal Rosegarden::CompositionView::contentsMoving (int, int) in src/gui/editors/segment/compositionview/SegmentMover.cpp:58
• Object::disconnect: No such signal Rosegarden::CompositionView::contentsMoving (int, int) in src/gui/editors/segment/compositionview/SegmentMover.cpp:65
• Object::connect: No such signal Rosegarden::CompositionView::contentsMoving (int, int) in src/gui/editors/segment/compositionview/SegmentPencil.cpp:61
• Object::connect: No such signal Rosegarden::MatrixView::changeTempo(timeT, tempoT, tempoT, TempoDialog::TempoDialogAction) in src/gui/application/RosegardenMainViewWidget.cpp:638
• Object::connect: No such signal Rosegarden::MatrixView::editTimeSignature(timeT) in src/gui/application/RosegardenMainViewWidget.cpp:680
• Object::connect: No such signal Rosegarden::NotationWidget::changeAccidental(Accidental, bool) in src/gui/editors/notation/NoteRestInserter.cpp:94
• Object::connect: No such signal Rosegarden::NotationView::changeTempo(timeT, tempoT, tempoT, TempoDialog::TempoDialogAction) in src/gui/application/RosegardenMainViewWidget.cpp:425
• Object::connect: No such signal Rosegarden::NotationView::staffLabelChanged(TrackId, QString) in src/gui/application/RosegardenMainViewWidget.cpp:472
• Object::connect: No such signal Rosegarden::NotationView::editTimeSignature(timeT) in src/gui/application/RosegardenMainViewWidget.cpp:476