ggml-org announced llama.cpp v1.0.0 on November 13, 2026, giving the C/C++ local AI inference project a formal compatibility contract for downstream developers. The underlying ggml tensor library also reached v1.0.0, with the project reporting support for more than 150 model-architecture variants and all mainstream speculative-decoding methods. Versioning Becomes a Public Contract Both projects will signal future source-level API incompatibilities and ABI, the binary interface used by compiled…