Mago

What's new in 1.51.1

Released October 3, 2026

Analyzer

• Mixed conditions: keeps loop flag and array types after unrelated checks on mixed values.

Formatter

• PSR-12 declarations: removes spaces around = in declare statements.
• Parameter alignment: keeps ... and & attached to parameter names.
• Chain semicolons: honors separate-line semicolons for chains inside comparisons, casts, and parentheses.

Prelude

• Optional arguments: restores optional parameters in built-in function and method stubs.
• array_find_key: infers null for empty arrays and keeps input key types otherwise.

Maintenance

• Rust toolchain: requires Rust 1.99.0 for source builds and refreshes dependencies and Nix inputs.
• Clippy fixes: removes needless clones and simplifies a byte-string comparison.

Issue Reporters

• UweOhse: #2415
• mikestreety