Grouped undo latency · SuperDoc 2.13.0

Click “Latency sample”, press End, type xyzabcdefghi as a short burst, then Cmd+Z (Ctrl+Z on Windows). Expect prompt text updates. Compare undo timing with the small control. Timings measure DOM changes, not physical screen paint.

Large fixtureSmall controlWithout imageDownload large fixtureDownload controlOpening