Open the document and click "Upload new version" in the Versions section. Pick the new file — Kodori re-uses the same upload pipeline (hash → presign → upload → register), but the bytes land as v2/v3 of the existing record rather than a brand-new document. The previous version's metadata, permissions, and audit trail carry forward.
Each version supports:
- an optional human label like "Final draft" or "Sent to counsel" — click the label cell to edit inline - a "significant" flag for review-cut versions (signed copies, released drafts) - per-version download via a signed URL
Click "Compare ↓" between any two versions to see the diff. Two view modes:
- **Redline** (default) — Word-style word-level inline diff. Insertions render in green; deletions in red strikethrough. The "Track Changes" reading legal + AEC reviewers expect for catching adds + removes in proximity. The Litera-killer view, no third-party dependency. - **Lines** — unified line-level diff (the previous default). Better for code, structured data, machine-parsed CSVs.
Switch modes with the pill toggle above the diff; the URL preserves the choice so a specific view is shareable.
Kodori re-extracts the older version on demand to produce the diff, so even versions you uploaded long ago compare cleanly.
Want to roll back? Upload the older version's bytes again — Kodori will see the same content hash and produce a "revert" version pointing back at the previous state. The audit log records every version transition.