# CHANGELOG **v0.4.0:** - Introduced `Sqids::builder()` [[PR #5](https://github.com/sqids/sqids-rust/pull/5)] - Cargo update - Docs cleanup **v0.3.1:** - Improvement: impl error for Error [[PR #3](https://github.com/sqids/sqids-rust/pull/3)] - Using `thiserror` - Cargo update **v0.3.0:** **⚠️ BREAKING CHANGE** - **Breaking change**: IDs change. Algorithm has been fine-tuned for better performance [[Issue #11](https://github.com/sqids/sqids-spec/issues/11)] - `alphabet` cannot contain multibyte characters - `min_length` was changed from `usize` to `u8` - Max blocklist re-encoding attempts has been capped at the length of the alphabet - 1 - Minimum alphabet length has changed from 5 to 3 - `min_value()` and `max_value()` functions have been removed **v0.2.1:** - Bug fix: spec update (PR #7): blocklist filtering in uppercase-only alphabet [[PR #7](https://github.com/sqids/sqids-spec/pull/7)] - Updating Github Actions to use stable toolchain instead of nightly - Cargo update **v0.2.0:** - Bug fix: test for decoding an invalid ID with a repeating reserved character - Cargo update **v0.1.1:** - Initial implementation of [the spec](https://github.com/sqids/sqids-spec)