# 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/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.5.0] - 2025-07-02
### Added
- Add `as_ptr` method.
### Changed
- Some method are are no longer inline.
## [0.4.1] - 2025-06-23
### Changed
- Minor refactoring.
## [0.4.0] - 2025-06-23
### Changed
- Rust edition is updated to 2024.
- Polish documentations.
## [0.3.2] - 2024-11-30
### Changed
- Improve documentation.
## [0.3.1] - 2024-11-30
### Added
- Add `prelude` module.
### Changed
- Improve documentation.
## [0.3.0] - 2024-11-26
### Added
- Add `base`, `as_base`, `from_base` method.
### Removed
- `upgrade_ref` method (unsafe misusing...).
- `NrCell` and `NwCell` (not essential...).