# The Rust Release Team - Announcing Rust 1.68.0 (Highlights) ![rw-book-cover|256](https://www.rust-lang.org/static/images/rust-social-wide.jpg) ## Metadata **Review**:: [readwise.io](https://readwise.io/bookreview/25145135) **Source**:: #from/readwise **Zettel**:: #zettel/fleeting **Status**:: #x **Authors**:: [[The Rust Release Team]] **Full Title**:: Announcing Rust 1.68.0 **Category**:: #articles #readwise/articles **Category Icon**:: 📰 **URL**:: [blog.rust-lang.org](https://blog.rust-lang.org/2023/03/09/Rust-1.68.0.html) **Host**:: [[blog.rust-lang.org]] **Highlighted**:: [[2023-03-09]] **Created**:: [[2023-03-18]] ## Highlights - To use the sparse protocol with crates.io, set the environment variable `CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse`, or edit your [`.cargo/config.toml` file](https://doc.rust-lang.org/cargo/reference/config.html) to add: [registries.crates-io] protocol = "sparse" ([View Highlight](https://read.readwise.io/read/01gv3qqfffvy6jagskhpep6n4c)) ^488953395