Ollama v0.34.4: Bug Fixes and Performance Enhancements

Ollama v0.34.4 delivers critical bug fixes, including resolving intermittent "model not found" errors and improving structured output processing. The update also features `llama.cpp` and `MLX` version upgrades, enhancing performance and speeding up prompt processing for models like Gemma 4 and Qwen 3.8.