Hello and welcome to another issue of This Week in Rust! Rust is a programming language empowering everyone to build reliable and efficient software. 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

Official

Foundation

Project/Tooling Updates

Newsletters

Observations/Thoughts

Rust Walkthroughs

Miscellaneous

Crate of the Week

This week's crate is hifitime, a high fidelity time management library.

Thanks to Christopher Rabotin for the self-suggestion.

Please 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.

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

Updates from the Rust Project

373 pull requests were merged in the last week

Rust Compiler Performance Triage

A week with a large amount of changes in rollups, which makes performance triage difficult. The performance team and the infra team are working on finding ways to automate marking PRs as likely a poor choice for rolling up. Otherwise, the week overall saw a ~1% improvement in incremental check builds, with smaller improvements to incremental debug and release builds. A number of benchmarks have been updated in the last few weeks, which has meant a decrease in the automated noise assessment's algorithm performance, but that should settle out to steady state behavior on its own in the next few days.

Triage done by @simulacrum. Revision range: 949b98ca..4e1927d

5 Regressions, 4 Improvements, 7 Mixed; 7 of them in rollups 50 artifact comparisons made in total

Full report here

Approved RFCs

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

RFCs

  • No RFCs entered Final Comment Period this week.

Tracking Issues & PRs

New and Updated RFCs

  • No New or Updated RFCs were created this week.

Upcoming Events

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If you are running a Rust event please add it to the calendar to get it mentioned here. Please remember to add a link to the event too. Email the Rust Community Team for access.

Rust Jobs

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Quote of the Week

Relying on the programmer to always read, comprehend, and remember the documentation โ€“ and then do everything right, every time โ€“ is how we get bugs.

โ€“ Cliff Biffle on his blog

Thanks to Brian Kung for the suggestion!

Please submit quotes and vote for next week!

This Week in Rust is edited by: nellshamrell, llogiq, cdmistman, ericseppanen, extrawurst, andrewpollack, U007D, kolharsam, joelmarcey, mariannegoldin.

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