Rustacean Station

What's New in Rust 1.70 and 1.71

Sep 30, 2023

The podcast highlights the 1.70 and 1.71 releases of Rust, discussing topics like Cargo's sparse protocol, OnceCell and OnceLock, Named debug levels, Enforced stability in the test CLI, Stabilized APIs, Changelog deep-dive, Use SipHash-1-3 instead of 2-4, Alignment debug checks for pointer derefs, Relaxed ordering for asm! operands, C-unwind ABI RFC, Debugger visualization attributes, raw-dylib linking, Upgrade to musl 1.2, Const-initialized thread locals, Uplift drop_ref clippy lints, Optimized cargo under rustup, and rust-version inclusion in publishing.

50:48

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Quick takeaways

Lint uplifted into real Rust lints, allowing for improved code analysis and enforcement

Introduction of recursive panics, providing the ability to catch inner panics before unwinding

Optimizations in cargo's interaction with rustup, reducing unnecessary calls and improving build efficiency

Updates to cargo documentation regarding semantic versioning and improvements to debugger visualization attribute

Deep dives

Clippy lints now stabilization

The drop_ref, drop_copy, forget_ref, and forget_copy lints, previously part of Clippy, have been uplifted into real Rust lints.

Introduction

1min

New Feature for Faster Dependency Resolution in Rust

2min

Lazy Static Variables and 'Once Cell' in Rust

12min

Enforced Stability in Test CLI and Default Trait Implementations for Iterators

3min

RC.into_inner() and Arc.into_inner() in Rust

18min

New Features: Debugger Visualization Attribute and Raw Dialy Blinking

2min

Muscle Upgrade and 64-bit Time Support

12min

Jon and Ben discuss the highlights of the 1.70 and 1.71 releases of Rust.

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