We just released Seedance 2.5, ByteDance's newest video model, and I spent a while making sure the full parameter surface is exposed as plain form controls rather than a dumbed-down "magic prompt box". Sharing what it does and where it falls short. What a single generation gives you: 4 to 30 seconds of video, you pick the exact second. 480p or 720p, MP4 or MOV. Audio comes out in the same pass, meaning speech, sound effects and background music. The convention that matters: wrap spoken lines i...