MiniMax-H3: long-sequence flash attention, fused DiT glue and a faster video VAE decode (G4 render 63.6 to 37.0 s, bit-identical) - #18

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26, actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020, ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756, pnpm/action-setup@b906affcce14559ad1aafd4ab0e942779e9f58b1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/