Kling 4.0 announced for October: 4K/HDR, 15 multimodal references, native 30-second generation

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Kuaishou Kling AI announces Kling 4.0 for October, with Flash now live for Ultra Yearly subscribers. Four upgrade pillars - Audio & Visuals: stable dynamic motion, high-quality stereo audio, more accurate lip sync, up to 4K resolution and 10-bit HDR output; Omni Reference: up to 15 multimodal references with more consistent results and enhanced video editing; Storytelling: multi-keyframe control up to 10 keyframes and native 30-second generation; plus video extension and support for multiple languages, accents and dialects. Video generation keeps closing in on production-grade material, relevant to both embodied world models and content generation.