Developers should be wary of upgrading to Rust 1.84.0 due to a crucial rename in the WASI target, leading to potential disruptions in toolchains.
The wasm32-wasi target has been renamed to wasm32-wasip1, as the previous naming misrepresented its status as a development snapshot rather than a final version.
Rust 1.84.0 introduces a stable minimally supported Rust version (MSRV) for Cargo, but this feature requires manual enabling for newly required versions to be ignored.
The new trait solver is not yet fully established but is aimed at resolving persistent bugs, enhancing type system improvements, and reducing compile time.
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