Rust Daily Digest — 2026-04-03

Rust engineering news, daily.

2026.04.03

19 sources scanned

FEATURED

docs.rs to Build Fewer Targets by Default

On May 1, 2026, docs.rs will implement a breaking change by defaulting to build fewer targets. This change aims to optimize resource usage and reduce build times. Developers need to be aware of this adjustment, as it may impact the availability of documentation for certain target-specific features. Ensuring compatibility with the new default settings will be crucial for maintaining comprehensive documentation access across diverse platforms.

SRC Rust Blog

Tokio v1.47.4 Fixes Panic in Chan::recv_many

Tokio version 1.47.4 addresses a critical issue where a panic could occur in Chan::recv_many when called with a non-empty vector. This fix enhances the stability of asynchronous operations using Tokio channels, ensuring more reliable concurrent processing. Developers using Tokio for async Rust applications should update to this version to avoid potential runtime panics and improve the robustness of their systems.

SRC Tokio

SIGNAL

01 Lifetime GATs for oldschool async closures Rust Users Forum
02 Zerompk - Extremely fast MessagePack serializer for Rust Rust Users Forum
03 The Linux Kernel's Minimum Rust Version Supported Prepares For Rust 1.85 Baseline - Phoronix Google News Rust

STAY UPDATED

Daily Rust engineering digest, straight to your inbox.