Issue 660 of This Week in Rust covers the latest developments in the Rust ecosystem for the week of July 15, 2026. Highlights include 550 merged pull requests, significant compiler performance improvements (primary benchmarks improved by -1.2% on average with some up to -9.9%), new Clippy lints, Rust-Analyzer bug fixes, and Cargo updates. Community news includes Bun announcing a rewrite in Rust, BullMQ releasing a Rust version, and the dashu arbitrary-precision numbers crate as Crate of the Week. The newsletter also covers upcoming Rust events worldwide, RFCs in final comment period, and links to walkthroughs and observations from the community.

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Updates from Rust CommunityCrate of the WeekCalls for TestingCall for Participation; projects and speakersUpdates from the Rust ProjectUpcoming EventsJobs
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