# Archived Performance Reports
Older release-to-release benchmark comparisons are archived here.
`docs/performance.md` contains the latest curated comparison.
- [v0.4.1-vs-v0.4.0](v0.4.1-vs-v0.4.0.md)
- [v0.4.2-vs-v0.4.1](v0.4.2-vs-v0.4.1.md)
- [v0.4.3-vs-v0.4.2](v0.4.3-vs-v0.4.2.md)
- [v0.4.4-vs-v0.4.3](v0.4.4-vs-v0.4.3.md)
- [v0.4.5-vs-v0.4.4](v0.4.5-vs-v0.4.4.md)
Completed optimization investigations are in [archived studies](studies/README.md).