H3 Motion Context 0.5.0 chains MiniMax H3 clips with motion and soundtrack carryover
Sad_Berry_4621 · reddit · 2026-09-02
H3 Motion Context 0.5.0, a ComfyUI plugin, now chains MiniMax H3 video clips so each next clip picks up the previous motion and soundtrack instead of starting a similar-sounding new take.
Key changes: no more manually bypassing the Motion Context group for the first clip; the chain starts at Load 0 / Save 1 (Load 0 means 'no previous clip') and increments from there, based on feigo313's issue #25. A new Chain node adds four buttons: Run/Re-roll, Approve (advance and generate next), Chain (continuous generation, toggles to Stop), and Reset.
Gotchas: don't use ComfyUI's native Run button to walk the chain (double-queuing skips slots), and Load/Save/Chain must sit in the same canvas group or the buttons do nothing. Also fixes a Windows OS error 1224 on re-roll. Requires ComfyUI 0.34.0+.
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