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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+
+- Mutation types (`Substitution`, `Deletion`, `Insertion`)
+- `Variant` type to store groups of mutations together
+- `Variation` type to store and compare individual mutations
+- `reconstruct!` function to build mutated sequences from `Variant`s
+- `Variant` constructor to automatically detect mutations from a `BioAlignments.PairwiseAlignment`
+
+[unreleased]: https://github.com/BioJulia/SequenceVariation.jl