Concise monthly summary for 2026-04 focusing on Voxtral TTS test suite improvements in the Blaizzy/mlx-audio repo. Highlights include test architecture refactor, stability improvements, and compatibility work that underpins reliable delivery of Voxtral TTS features.

Month: 2026-03 — Key accomplishments: - Key features delivered: Sliding Attention Cache Optimization. Implemented a rotating cache for sliding attention layers to reduce memory footprint and boost inference throughput, enabling more efficient deployment of larger models. Commit: 8162aaad56dd377c0dd746030b03914218011284 - Major bugs fixed: Voxtral TTS Tokenizer Dependency Enforcement. Ensured the required mistral-common[audio] package is declared in dependencies and added a test to verify encoding speech requests is supported, enhancing robustness of the TTS model. Commit: 514c973e5272c2d946dd01f21f4680e4670ef0fb - Overall impact and accomplishments: Delivered a memory-efficient optimization that enables scaling of models in production, while improving reliability and test coverage for the TTS pipeline, accelerating production-readiness. - Technologies/skills demonstrated: Memory optimization for transformer architectures, dependency management, test-driven development, and TTS pipeline robustness.