February 2026: Delivered a new file_store backend for KVCache in PaddlePaddle/FastDeploy, enabling file-based caching to boost scalability and performance in multi-GPU deployments. Integrated the backend with the cache manager and implemented a series of fixes and quality improvements to stabilize cache transfers and file-store interactions. The work enhances data accessibility and throughput, reduces caching bottlenecks, and improves maintainability for large-scale inference workloads.