Issues

• LTX-2.3: every video decodes black (exit 0) - Gemma attention mask turns padded rows into NaN with MLX 0.32.x

  Blaizzy/mlx-video#55 · Filter by author fracampit opened on Oct 3, 2026

• wan_2: T5 encoder load times out on 24 GB — load_t5_encoder upcasts an 11.36 GB bf16 checkpoint to fp32 and evals it in one dispatch (fix included)

  Blaizzy/mlx-video#54 · Filter by author galinmd opened on Sep 16, 2026
  1

• Add support for LTX-2.5

  Blaizzy/mlx-video#51 · Filter by author boxabirds opened on Aug 19, 2026
  3

• LTX-2.3 --audio crashes in vocoder: infer_vocoder_config() has_bwe branch returns flat dict, but loader expects nested {"vocoder","bwe"} keys

  Blaizzy/mlx-video#50 · Filter by author voxavila opened on Aug 8, 2026

• LTX-2.3 I2V crashes in VAE encoder: wrong hardcoded encoder_blocks config (broadcast_shapes 1024 vs 2048)

  Blaizzy/mlx-video#49 · Filter by author voxavila opened on Aug 7, 2026

• Wan2.2 T2V A14B: diagonal weave/cross-hatch artifact on Apple M5 Max (mlx 0.32.0); --no-compile changes it to dead gray regions

  Blaizzy/mlx-video#44 · Filter by author hkaynarch-code opened on Jul 21, 2026
  1

• Feature request: MLX port for legacy LTX-Video (0.9.x)

  Blaizzy/mlx-video#43 · Filter by author dahai80 opened on Jul 8, 2026

• Feature request: MLX port for CogVideoX (text-to-video / image-to-video)

  Blaizzy/mlx-video#42 · Filter by author dahai80 opened on Jul 8, 2026

• Quantized Wan2.2 A14B + CFG + 81 frames produces fully black videos (frame-count-dependent; bf16 unaffected)

  Blaizzy/mlx-video#40 · Filter by author lBroth opened on Jul 5, 2026
  3

• LTX-2.3 I2V: two-stage dev pipelines lose the conditioning image after frame 0 (stage-1 half-res anchor); single-stage dev works

  Blaizzy/mlx-video#37 · Filter by author obrhlabs opened on Jun 11, 2026

• LTX-2 unified VAE decoder strict loading fails when per-channel statistics are absent

  Blaizzy/mlx-video#36 · Filter by author andyelka-creator opened on May 24, 2026
  1

• LTX-2 VAE encoder reads RGB out_channels instead of latent_channels from diffusers config

  Blaizzy/mlx-video#35 · Filter by author andyelka-creator opened on May 24, 2026
  1

• LTX-2 unified VAE sanitizer ignores unprefixed encoder and decoder keys

  Blaizzy/mlx-video#34 · Filter by author andyelka-creator opened on May 24, 2026
  1

• LTX-2 I2V fails because VAE encoder/decoder weights are stored in unified vae directory

  Blaizzy/mlx-video#33 · Filter by author andyelka-creator opened on May 24, 2026
  1

• LTX-2 transformer weights fail strict loading with Diffusers-style keys

  Blaizzy/mlx-video#32 · Filter by author andyelka-creator opened on May 24, 2026
  1

• LTX-2 loading fails on Hugging Face config metadata keys

  Blaizzy/mlx-video#30 · Filter by author andyelka-creator opened on May 24, 2026

• Loras

  Blaizzy/mlx-video#28 · Filter by author djmork83-afk opened on Apr 29, 2026

• LTX2TextEncoder silently falls back to wrong tokenizer → every prompt produces identical output

  Blaizzy/mlx-video#26 · Filter by author smstosky opened on Apr 13, 2026

• Not sure what is wrong with this

  Blaizzy/mlx-video#19 · Filter by author Ron321456 opened on Mar 5, 2026
  2

• Add support for LTX-2 Dev

  Blaizzy/mlx-video#6 · Filter by author Blaizzy opened on Jan 12, 2026
  1

• Add support for loras

  Blaizzy/mlx-video#5 · Filter by author Blaizzy opened on Jan 12, 2026

• Add quantization support

  good first issue
  Blaizzy/mlx-video#1 · Filter by author Blaizzy opened on Jan 12, 2026