1.58.0→1.59.2

・Added End Margin and Crossfade options to the Sound Player and Overlap Sound Maker.
This helps reduce gaps and delays when looping sounds.

・Added sounds for wooden doors.

・Added small-object collision sounds for user meshes when physics simulation is enabled.

・Added an Autosave Actor.
It is automatically added to newly created levels.

・Added an autosave loading screen to the Sandbox menu.
If autosave data exists, a tab button will appear at the bottom of the screen.

・Added a Duplicate button to the Sandbox menu.
This makes it easier to duplicate levels.

・When multiple objects are selected, outlines can now be displayed in addition to point gizmos.
This greatly improves visibility when selecting objects.

・Registered actors, such as Object Grouper actors and Overlap Physics On actors, can now be highlighted by mouse-over.

・When selected, registered actors are now shown with a blue outline.
This makes it easier to visually identify which actors are registered.

・When you mouse over the selection count indicator, it changes into a Clear Selection button.
You can use it to deselect all currently selected objects.

・Pressing the Gizmo button again now hides the gizmo.
This is useful for precise selection work.

・Ctrl + Click can now be used to deselect objects.
This improves usability when working with multiple selections.

・The Undo / Redo system has been significantly reworked.

・Added Undo and Redo count indicators.

・Added a function to clear the Undo / Redo stack.

・Improved smoothness when adding group objects.

・Added a loading process to support large group objects.

・Improved the movement smoothness of Object Grouper actors.

・Added six built-in group object templates.

・Added baseboard meshes.

・Added wooden door meshes.

・Fixed an issue where some TextGen actors could disappear after reloading when many TextGen actors were placed.

・Fixed an issue where landing sounds could play on invisible objects.

・Fixed an issue introduced in Ver. 1.58 where the climb function became difficult to use in some locations.