llama.cpp 0.4.0 adds four model architectures, an Apple RDMA transport, and video flags
The 0.4.0 release landed on September 4, 2026, and it is a numbered version rather than one of the nightly builds. It adds initial support for Qwen3.8-Flash-Next, NVIDIA Nemotron-3-Puzzle-75B-A9B, DSpark on Nemotron 3.5, and nanbeige4.2-3B. Apple RDMA becomes an RPC transport, video arrives as command-line options, and the quantizer gains a memory ceiling. Two server defaults changed, and saved session state carries a new version number.
llama.cppverified

