"Cargo, the Rust package manager, now supports the include key in configuration files (.cargo/config.toml), for better organization, sharing, and management of Cargo configurations across environments and projects. These include paths may be marked optional if they might not be present in some circumstances."
"Cargo now parses TOML v1.1 for manifests and configuration files. Changes in TOML 1.1 include inline tables across multiple lines and with trailing commas, \xHH and \e string escape characters, and optional seconds in times. Using these features in Cargo.toml will raise development MSRV to require the new Cargo parser."
"Cargo automatically rewrites manifests on publish to remain compatible with older parsers, so it is still possible to support an earlier MSRV. Third-party tools that read the manifest may also need to update their parsers to handle the new TOML 1.1 features."
Cargo's package manager has introduced support for the include key in .cargo/config.toml files, enabling improved organization, sharing, and management of configurations across different environments and projects. Include paths can be marked optional for circumstances where they may not exist. Cargo now parses TOML v1.1, which introduces features like inline tables spanning multiple lines with trailing commas, new string escape characters (\xHH and \e), and optional seconds in times. While using these features raises the development MSRV and may require third-party tools to update their parsers, Cargo automatically rewrites manifests during publication to maintain compatibility with older parsers. Rust 1.94 also stabilizes 17 new APIs.
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