Automatic buffering can grow to 1.25 seconds during shortages. The display then updates less often. If CPU capacity stays below real time, a larger buffer cannot prevent all gaps.
Save your project in the M8, then use Stop and save. The browser keeps the complete card in IndexedDB. Download a separate backup before you clear site data. Import and Reset discard unsaved guest changes after confirmation.
Arrows move. Shift or Z = SHIFT; Space or X = PLAY; Alt or A = OPT; Control or S = EDIT. Hold keys or use multiple touches for combinations.