OpenVINO Backend

This release updates the OpenVINO backend to version 2026.3.1, adds support for Whisper.cpp and Qwen3.5 on NPU, and introduces new operations. It also includes significant improvements to static shape handling, token-count independence, and chunked prefill for better performance and accuracy.

This release updates the OpenVINO backend to version 2026.2.1, introduces self-contained release packages, and includes several operator improvements for the OpenVINO backend.