ESLint v10.2.0 introduces two key features: language-aware rules via the new `meta.languages` property, allowing rule authors to declare which languages a rule supports (with runtime errors for mismatches), and recognition of `Temporal` as a built-in global following its TC39 stage 4 promotion. The `no-undef` rule no longer flags `Temporal`, and `no-obj-calls` now reports direct calls to the `Temporal` object. The release also includes documentation improvements and various chores.
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