# Releases
## Release `0.2.0`
- fixes internal soundness issues (e.g. one similar to
https://github.com/rust-lang/rust/pull/65719)
- renames `OnceCell::new` to `OnceCell::uninit` and `OnceCell::initialized` to
`OnceCell::new`
- adds some convenience trait implementations and tightens some trait bounds
(breaking)
- improved internal code structure and code re-usage, better facilitates
monomorphic code usage