Rust has announced the release of its latest stable version, 1.92.0. Users who have rustup installed can easily update by running the command `$ rustup update stable`. For those without rustup, the new version can be downloaded from the official Rust website, which also features detailed release notes.
A notable change in this version is the introduction of deny-by-default never type lints. This new feature is aimed at enhancing future compatibility by flagging code patterns that may cause issues once "never" types become stable. While developers can silence these warnings using the #[allow] attribute, it is advisable to address the underlying issues. Approximately 500 crates may be affected by this new rule, but the Rust development team has provided explanations for its necessity.
Additionally, the behavior of the unused_must_use lint has been refined. Previously, it would flag instances where the return value of a function marked with #[must_use] was ignored, even in cases where it was impossible for the function to produce an error. The update makes the lint more precise, avoiding unnecessary warnings for functions that cannot fail.
In terms of error handling, improvements have been made to unwinding processes on Linux systems. The previous setting, -Cpanic=abort, which terminated execution immediately without unwinding, disrupted existing backtrace features. Rust 1.92.0 resolves this issue by ensuring that proper unwind tables are generated even when -Cpanic=abort is specified, allowing for reliable stack traces during debugging.
Moreover, Rust 1.92.0 introduces stricter validation for macro attributes when defined with #[macro_export]. This enhancement improves error reporting for invalid macro arguments, aiming to make diagnostics clearer and more reliable.
In addition to these updates, several parts of the Rust language have been officially marked stable in this release. This includes API functions from NonZero, enabling them to function reliably within constant contexts, as well as methods from the btree_map module and updates to proc_macro_token_stream. The stabilization of these features clarifies which parts of Rust's interface are safe for general use.
Overall, Rust 1.92.0 represents a significant step forward in enhancing the language's reliability and efficiency, while also paving the way for future improvements. As Rust continues to evolve, the community can look forward to ongoing enhancements that will further empower developers to build robust software.
To keep up with further developments and updates in Rust, users are encouraged to regularly check the Rust blog and participate in the community's discussions and contributions
A notable change in this version is the introduction of deny-by-default never type lints. This new feature is aimed at enhancing future compatibility by flagging code patterns that may cause issues once "never" types become stable. While developers can silence these warnings using the #[allow] attribute, it is advisable to address the underlying issues. Approximately 500 crates may be affected by this new rule, but the Rust development team has provided explanations for its necessity.
Additionally, the behavior of the unused_must_use lint has been refined. Previously, it would flag instances where the return value of a function marked with #[must_use] was ignored, even in cases where it was impossible for the function to produce an error. The update makes the lint more precise, avoiding unnecessary warnings for functions that cannot fail.
In terms of error handling, improvements have been made to unwinding processes on Linux systems. The previous setting, -Cpanic=abort, which terminated execution immediately without unwinding, disrupted existing backtrace features. Rust 1.92.0 resolves this issue by ensuring that proper unwind tables are generated even when -Cpanic=abort is specified, allowing for reliable stack traces during debugging.
Moreover, Rust 1.92.0 introduces stricter validation for macro attributes when defined with #[macro_export]. This enhancement improves error reporting for invalid macro arguments, aiming to make diagnostics clearer and more reliable.
In addition to these updates, several parts of the Rust language have been officially marked stable in this release. This includes API functions from NonZero, enabling them to function reliably within constant contexts, as well as methods from the btree_map module and updates to proc_macro_token_stream. The stabilization of these features clarifies which parts of Rust's interface are safe for general use.
Overall, Rust 1.92.0 represents a significant step forward in enhancing the language's reliability and efficiency, while also paving the way for future improvements. As Rust continues to evolve, the community can look forward to ongoing enhancements that will further empower developers to build robust software.
To keep up with further developments and updates in Rust, users are encouraged to regularly check the Rust blog and participate in the community's discussions and contributions
Rust 1.92.0 released
Rust has released its latest stable version, 1.92.0, which can be updated using the command $ rustup update stable for users already set up with rustup. Alternatively, those without rustup can download it from the official website along with full release notes. One key change in this version is the introduction of deny-by-default never type lints, intended to ensure future compatibility and prevent code patterns that may cause issues once "never" types become stable. Additionally, improvements have been made to unwinding on Linux systems and attribute checking for macros, among other updates and stabilization of certain language features.
