0.2.3

• Add Arc::{new_uninit,assume_init} at Rust 1.36+ and Arc::new_uninit_slice at Rust 1.44+. (align to the std Arc change in Rust 1.82) (362dc9a)

• Support make_mut on Arc<[T]> and Arc<str> at Rust 1.36+. (align to the std Arc change in Rust 1.81) (362dc9a)