Hello and welcome to another issue of This Week in Rust! Rust is a systems language pursuing the trifecta: safety, concurrency, and speed. This is a weekly summary of its progress and community. Want something mentioned? Tweet us at @ThisWeekInRust or send us a pull request. Want to get involved? We love contributions.

This Week in Rust is openly developed on GitHub. If you find any errors in this week's issue, please submit a PR.

Updates from Rust Community





Learn Standard Rust

Learn More Rust

Project Updates


Crate of the Week

This week's crate is serde-query, an efficient query language for Serde.

Thanks to Vlad Frolov for the suggestion!

Submit your suggestions and votes for next week!

Call for Participation

Always wanted to contribute to open-source projects but didn't know where to start? Every week we highlight some tasks from the Rust community for you to pick and get started!

Some of these tasks may also have mentors available, visit the task page for more information.

No issues were proposed for CfP.

If you are a Rust project owner and are looking for contributors, please submit tasks here.

Updates from Rust Core

332 pull requests were merged in the last week

Rust Compiler Performance Triage

A few small compile-time regressions this week. The first was #70793, which added some specializations to the standard library in order to increase runtime performance. The second was #73996, which adds an option to the diagnostics code to print only the names of types and traits when they are unique instead of the whole path. The third was #75200, which refactored part of BTreeMap to avoid aliasing mutable references.

Approved RFCs

Changes to Rust follow the Rust RFC (request for comments) process. These are the RFCs that were approved for implementation this week:

No RFCs were approved this week.

Final Comment Period

Every week the team announces the 'final comment period' for RFCs and key PRs which are reaching a decision. Express your opinions now.


Tracking Issues & PRs

New RFCs

No new RFCs were proposed this week.

Upcoming Events


North America

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Rust Jobs

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Quote of the Week

It's amazing how frequent such "rare edge cases" can be. Especially when there are millions of people using billions of files originating from God know what operating systems. Far better things are checked properly if one want robust code. As Rust uses do.

Thanks to Edoardo Morandi for the suggestion!

Please submit quotes and vote for next week!

This Week in Rust is edited by: nellshamrell, llogiq, and cdmistman.

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