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Open-Source Models & Communities — September 27, 2026

Findings

  1. [1] 2026-09-27 b11222

    common : avoid side effects around params parsing (#29537) register –rpc unconditionally and call llama_supports_rpc() only from its handler print server "initialization …" log after args are parsed Assisted-by: pi:llama.cpp/MiMo-V2.6-Flash-RL Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50580981 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework Linux: Ubuntu x64 (CPU) Ubuntu arm64 (CPU) Ubuntu s390x…

  2. [2] 2026-09-27 b11221

    common : make string_split throw on invalid values (#29518) Signed-off-by: Adrien Gallouët angt@huggingface.co Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50573055 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework Linux: Ubuntu x64 (CPU) Ubuntu arm64 (CPU) Ubuntu s390x (CPU) Ubuntu x64 (Vulkan) Ubuntu arm64 (Vulkan) Ubuntu x64 (CUDA 12) – CUDA 12.8 libraries Ubuntu x64…

  3. [3] 2026-09-27 b11218

    jinja : add support for dict builtin (#29477) add support for dict builtin add tests Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50563209 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework Linux: Ubuntu x64 (CPU) Ubuntu arm64 (CPU) Ubuntu s390x (CPU) Ubuntu x64 (Vulkan) Ubuntu arm64 (Vulkan) Ubuntu x64 (CUDA 12) – CUDA 12.8 libraries…

  4. [4] 2026-09-27 b11217

    opencl: refine bin kernel loading condition (#29503) Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50560500 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework Linux: Ubuntu x64 (CPU) Ubuntu arm64 (CPU) Ubuntu s390x (CPU) Ubuntu x64 (Vulkan) Ubuntu arm64 (Vulkan) Ubuntu x64 (CUDA 12) – CUDA 12.8 libraries Ubuntu x64 (CUDA 13) – CUDA 13.4 libraries…

  5. [5] 2026-09-27 b11216

    sycl: FWHT kernels for block widths above 512 (#29243) The SYCL FWHT covers 64 to 512 via the standard butterfly network, plus 384/640/768/1280 via the Kronecker/Paley construction added separately in Hadamard hint can produce (1024, 2048, 4096, 8192); those still fall through to the default case and run as a dense GEMM against the materialized rotation tensor, correct but O(n^2)…

  6. [6] 2026-09-27 b11215

    CUDA: tune fp16 tile FlashAttention configs for head sizes 40-112 (#26289) Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50554486 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework Linux: Ubuntu x64 (CPU) Ubuntu arm64 (CPU) Ubuntu s390x (CPU) Ubuntu x64 (Vulkan) Ubuntu arm64 (Vulkan) Ubuntu x64 (CUDA 12) – CUDA 12.8 libraries Ubuntu x64 (CUDA 13)…

  7. [7] 2026-09-27 b11214

    HIP: Enable fattn-mma kernel on cdna for dkq > 256 for large batch sizes (#28907) HIP: Enable fattn-mma kernel on cdna for dkq > 256 for large batch sizes CI: hip-quality-check: ignore spills for very large mfma mma kernels Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50549501 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework…

  8. [8] 2026-09-27 b11213

    vulkan: fix argsort kernel selection for Adreno (#29469) Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50544436 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework Linux: Ubuntu x64 (CPU) Ubuntu arm64 (CPU) Ubuntu s390x (CPU) Ubuntu x64 (Vulkan) Ubuntu arm64 (Vulkan) Ubuntu x64 (CUDA 12) – CUDA 12.8 libraries Ubuntu x64 (CUDA 13) – CUDA 13.4…

  9. [9] 2026-09-27 b11212

    common : throw instead of abort on grammar without llguidance (#29516) Signed-off-by: Adrien Gallouët angt@huggingface.co Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50541746 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework Linux: Ubuntu x64 (CPU) Ubuntu arm64 (CPU) Ubuntu s390x (CPU) Ubuntu x64 (Vulkan) Ubuntu arm64 (Vulkan) Ubuntu x64 (CUDA 12) – CUDA 12.8 libraries…

  10. [10] 2026-09-27 b11211

    RPC: use RDMA completion channel to not spin (#29440) RPC: use RDMA completion queue to not spin add TODO for apple RDMA Website: https://llama.app Attestations: https://github.com/ggml-org/llama.cpp/attestations/50534798 macOS/iOS: macOS Apple Silicon (arm64) macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED macOS Intel (x64) iOS XCFramework Linux: Ubuntu x64 (CPU) Ubuntu arm64 (CPU) Ubuntu s390x (CPU) Ubuntu x64 (Vulkan) Ubuntu arm64 (Vulkan) Ubuntu…

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Sources

  1. [1] b11222
  2. [2] b11221
  3. [3] b11218
  4. [4] b11217
  5. [5] b11216
  6. [6] b11215
  7. [7] b11214
  8. [8] b11213
  9. [9] b11212
  10. [10] b11211

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