# Changelog ## 0.3.5 - 2026-01-08 - Optimise `SmolStr::clone` 4-5x speedup inline, 0.5x heap (slow down). ## 0.3.4 - 2025-10-23 - Added `rust-version` field to `Cargo.toml` ## 0.3.3 - 2025-10-23 - Optimise `StrExt::to_ascii_lowercase_smolstr`, `StrExt::to_ascii_uppercase_smolstr` ~2x speedup inline, ~4-22x for heap. - Optimise `StrExt::to_lowercase_smolstr`, `StrExt::to_uppercase_smolstr` ~2x speedup inline, ~5-50x for heap. - Optimise `StrExt::replace_smolstr`, `StrExt::replacen_smolstr` for single ascii replace, ~3x speedup inline & heap. ## 0.3.2 - 2024-10-23 - Fix `SmolStrBuilder::push` incorrectly padding null bytes when spilling onto the heap on a multibyte character push ## 0.3.1 - 2024-09-04 - Fix `SmolStrBuilder` leaking implementation details ## 0.3.0 - 2024-09-04 - Remove deprecated `SmolStr::new_inline_from_ascii` function - Remove `SmolStr::to_string` in favor of `ToString::to_string` - Add `impl AsRef<[u8]> for SmolStr` impl - Add `impl AsRef for SmolStr` impl - Add `impl AsRef for SmolStr` impl - Add `SmolStrBuilder` ## 0.2.2 - 2024-05-14 - Add `StrExt` trait providing `to_lowercase_smolstr`, `replace_smolstr` and similar - Add `PartialEq` optimization for `ptr_eq`-able representations