1 person reported

All time, since Oct 22.

Type checking differs from 7.0.2

“bun check accepts Box<string> as Box<number> when T is used 100 object levels deep. tsc 7.0.2 rejects it.”

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I hit this bug: rapsheet.dev/sheets/bun/issues/24969/file
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Type checking differs from the reported TypeScript 7.0.2.

Is this your bug?

Where: bun check
Versions: 1.4.4. Still reported on the newest version, 1.4.4.
Platforms: Windows
How bad: Breaks a normal workflow.

Not quite your bug?

Bun check reports TS2322 tsc accepts on deeply nested types2 people
Mapped NoInfer tuple rejected1 person
Check reports TS2615 unlike tsc2 people

Original reports2, newest first

Oct 22, 2026bun check: process.versions.typescript and docs say 7.0.2, but type checking follows TypeScript 7.1#46536
Oct 22, 2026bun check: accepts Box<string> as Box<number> at 100 nesting levels, which tsc 7.0.2 rejects#46535

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