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[Minifier] DCE does not eliminate an unused cycle involving a variable initializer

Status: Open.

#12109 In swc-project/swc;

· Cong-Cong Pan (SyMind) opened on Aug 10, 2026

Minifier does not finish for a large arguments index

Status: Open.

Bug

#12108 In swc-project/swc;

· magic-akari opened on Aug 9, 2026

Unterminated template literals cause endless lexer loop

Status: Open.

#12103 In swc-project/swc;

· WGH (WGH-) opened on Aug 5, 2026

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Planned

TypeScript enum transform does not fold namespace member access (N.foo, N.M.foo)

C-bug

Status: Open.

#12102 In swc-project/swc;

· Baltasar Blanco (baltasarblanco) opened on Aug 5, 2026

Can wrong_ast_path be unsafe?

Status: Open.

#12082 In swc-project/swc;

· Manish Goregaokar (Manishearth) opened on Jul 30, 2026

swc emits an arrow function for a Flow component-typed binding (hermes/babel emit a named function)

C-bug

Status: Open.

#12045 In swc-project/swc;

· Adel Bruno Grimm (BigPun86) opened on Jul 20, 2026

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Planned

Unused ignore arguments usage in outer scope

C-bug

Status: Open.

#12032 In swc-project/swc;

· Austaras opened on Jul 18, 2026

Wasm heap buffer overflow in variable-length CBOR host serialization

Status: Open.

#11989 In swc-project/swc;

· Manish Goregaokar (Manishearth) opened on Jul 5, 2026

Consider removing the @swc/core postinstall script

Status: Open.

#11898 In swc-project/swc;

· magic-akari opened on May 26, 2026

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Planned

RuntimeError (panic) in JSX parser when encountering surrogate entitie

C-bug

Status: Open.

#11802 In swc-project/swc;

· YuChao Liang (cuyl) opened on Apr 17, 2026

·  

Planned

swc transforms decorators when target: "esnext" (inconsistent with tsc)

C-bug

Status: Open.

#11784 In swc-project/swc;

· Yan-Jie Wang (yanjiew1) opened on Apr 12, 2026

TypeScript enum transform does not treat const string variables as compile-time constants

C-bug

Status: Open.

#11715 In swc-project/swc;

· Donny/강동윤 (kdy1) opened on Mar 20, 2026

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Planned