The renderer splits every export into pieces and works on them at the same time, and each piece has four minutes. A long WebM at 60 fps on a large frame used to be split into too few pieces, so a piece ran out of time and the export failed. Since 1 November 2026 a WebM or a large frame is split into more, smaller pieces. If a long export still fails, try it as MP4, which encodes several times faster than WebM, and send the frame’s size, length and format to info@videoexportify.com.
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