Find results not always consistent for function/custom action parameters
Dark/light themes: use small icons in main menu (regression r318)
Event sheet view: cutting and pasting events could incorrectly result in two triggers in one event block
Layout view: possible crash after setting extreme values for Z elevation
Project Bar: possible crash using cut/paste keyboard shortcuts in quick succession
Particles: did not always handle object images correctly in editor
Expressions dictionary: incorrectly listed 'CallMapped' expression under System instead of Functions
Global layers: possible issues creating instances directly on an overridden layer
Layout view: could show selection boxes for instances that are not visible
Animations editor: possible crashes closing the editor while performing other editing actions
Animations editor: possible crashes undoing at the same time as performing other editing actions
Animations editor: crash pasting large amounts of animations in quick succession
Animations editor: deleting a selection could unexpectedly delete a frame or animation instead
Animations editor: possible interface lockup after pressing ESC to cancel dragging
Animations editor: crash pressing ESC very quickly after trying to rename an image point
Hierarchies: connections could be lost after undoing the deletion of instances
Hierarchies: crash trying to preview a project after deleting a layer containing an instance which is part of a hierarchy
Timeline bar: crash dragging and dropping a keyframe past the total time and back on top of another keyframe which is in the total time
Timeline bar: possible interface lockup when timeline editing mode is disabled while dragging a keyframe handle
Timeline bar: ensure updates correctly when a layout is deleted
Timeline bar: possible crash closing a project with a timeline with nested content
Timeline bar: crash dragging and dropping audio tracks while a timeline is previewing
Timeline bar: 'Add file' context menu option incorrectly shown for volume property track
Timeline bar: crash deleting an 'audio source' property track while its timeline is previewing
Timeline bar: crash pressing ESC after trying to rename a folder
Timeline bar: crash undeleting an audio track
Tilemap bar: crash after undoing simultaneously with disabling/enabling all tile collision polygons
Tilemap brush editor: crash undeleting tile and removing a tile simultaneously
Tilemap brush editor: crash undoing changes very quickly
Tilemap brush editor: crash closing the dialog with ESC immediately after opening it
Ensure both undo and ESC cancel active drag & drop operation in various bars and dialogs
Project bar: avoid opening the import file/audio dialogs if the associated folder is removed simultaneously with the dialog opening
Layers and Project bars: crash deleting and renaming items simultaneously
Event sheet view: fix various issues involving picking a context menu option and undoing simultaneously
Tilemap bar: possible crashes opening the bar after the initial load
Ease editor: clear Layout View selection when closing the editor with ESC
Properties bar: incorrect initial animation shown after deleting currently selected animation in Animations Editor
Text editor: undo could be called twice in some edge cases possibly causing crashes
Undo: possible crash showing undo notifications when a modal dialog is fading in or out