# sheets-diff
Structured diff engine for Microsoft Excel `.xlsx` workbooks.
See the [README](../../README.md) for a quick start, feature table, and design
notes.
## Contents
- **[Migration from v1](migration/v1-to-v2.md)** — how to update existing code
that used v1's `Diff::new` / string cell model.
- **[Threat model](maintainers/threat-model.md)** — what this crate defends
against, what it does not, and how each claim is checked.