• Fix a crash introduced in August 2020 when in the Sound window you would select a part, then click "sel", then select a part, then do Cut, then click "bak".
• Rename should leave an object's ID in the title of the editor window.
• Windows graphics should support a resolution of 690 dots per inch.
• Editor scripting: corrected a bug introduced in 6.2.15 whereby an added editor script would lose the editor context if it contained a form, after Apply was clicked.
• Editor windows (such as the Sound window): showing a dialog window that calls a script (e.g. log 3, log 4 or an added command) should remove the previous version of that window.
• Mac editor windows: dialog windows that call scripts should disappear when the editor goes away (as on Windows and Linux).