DeepSeek Harness 0.1.7-alpha.1 adds session pinning and archiving with filtering and restoration. New settings panels organize work details, performance metrics, and developer tools with collapsible reasoning groups. Spreadsheet previews support XLSX, XLS, CSV, and TSV with cell selection and formulas. File opening integrates system defaults, unified model provider setup streamlines API switching, and plugin manager now supports custom registries. An experimental speech transcription plugin is included.