Planned

Open

No due date

•Last updated Oct 22, 2026

This is used to mark issues as required. Once an issue in this milestone is fixed, it will be moved to an appropriate milestone.

This is used to filter issues which are good to work but not planned out.

36% complete

safari(13.1.2) es2016 Bug caused by function parameter compression
swc-project/swc#11513 · opened on Jan 28, 2026 · Planned
20
[AST] shape of Param, Pat and VarDeclarator
swc-project/swc#5416 · opened on Aug 8, 2022 · Planned
3
The code behind multiline comments can not start a new line
swc-project/swc#5674 · opened on Aug 30, 2022 · Planned
Plugin template should have rust-toolchain
swc-project/swc#5711 · opened on Sep 1, 2022 · Planned
Source maps not mapping close parenthesis
swc-project/swc#6239 · opened on Oct 23, 2022 · Planned
1
Invalid Scoping on for loop variables
swc-project/swc#6440 · opened on Nov 15, 2022 · Planned
A commonjs module could be wrongly marked with __esModule: true while enabling external helpers
swc-project/swc#6500 · opened on Nov 23, 2022 · Planned
6
keepClassNames break class decorators
swc-project/swc#6515 · opened on Nov 26, 2022 · Planned
1
SWC exits successfully even though input path does not exist
swc-project/swc#6725 · opened on Dec 28, 2022 · Planned
Name mangler should mangle synthesized identifiers
swc-project/swc#6820 · opened on Jan 16, 2023 · Planned
__lookup_byte_offset_proxy has a memory leak
swc-project/swc#6854 · opened on Jan 25, 2023 · Planned
Template string is not compressed as possible
swc-project/swc#7008 · opened on Mar 4, 2023 · Planned
Import incorrect polyfills when use Array.prototype.includes and Array.prototype.at
swc-project/swc#7083 · opened on Mar 15, 2023 · Planned
1
Currently nightly does not provides stack probing
swc-project/swc#7239 · opened on Apr 10, 2023 · Planned
1
Decorator init order is incorrect
swc-project/swc#7404 · opened on May 16, 2023 · Planned
Deserialize plugin's serialized bytes with bytechecked
swc-project/swc#7461 · opened on May 29, 2023 · Planned
Ability to emit jsdocs ending on previous line instead of same line?
swc-project/swc#7492 · opened on Jun 5, 2023 · Planned
1
[preserveAllComments] Pure annotations are placed in the wrong position
swc-project/swc#7735 · opened on Aug 1, 2023 · Planned
1
import name used as a type then locally shadowed as a value causes a compile error
swc-project/swc#7899 · opened on Aug 31, 2023 · Planned
2
Static property references incorrect class name with es2022 target and keepClassNames enabled
swc-project/swc#8039 · opened on Oct 1, 2023 · Planned
Nested arrays cause off-by-one error in generated sourcemaps
swc-project/swc#8066 · opened on Oct 5, 2023 · Planned
1
Is there any way to make WASM Plugin output information to JS
swc-project/swc#8154 · opened on Oct 20, 2023 · Planned
5
Emit doesn't add newlines after blocks
swc-project/swc#8203 · opened on Nov 1, 2023 · Planned
1
undefined, NaN, and Infinity ident in decl is rewritten
swc-project/swc#8336 · opened on Nov 23, 2023 · Planned
CSS modules don't handle chaining of exception modifiers
swc-project/swc#8395 · opened on Dec 6, 2023 · Planned

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Planned

safari(13.1.2) es2016 Bug caused by function parameter compression

[AST] shape of Param, Pat and VarDeclarator

The code behind multiline comments can not start a new line

Plugin template should have `rust-toolchain`

Source maps not mapping close parenthesis

Invalid Scoping on `for` loop variables

A commonjs module could be wrongly marked with `__esModule: true` while enabling external helpers

`keepClassNames` break class decorators

SWC exits successfully even though input path does not exist

Name mangler should mangle synthesized identifiers

`__lookup_byte_offset_proxy` has a memory leak

Template string is not compressed as possible

Import incorrect polyfills when use Array.prototype.includes and Array.prototype.at

Currently nightly does not provides stack probing

Decorator init order is incorrect

Deserialize plugin's serialized bytes with bytechecked

Ability to emit jsdocs ending on previous line instead of same line?

[`preserveAllComments`] Pure annotations are placed in the wrong position

import name used as a type then locally shadowed as a value causes a compile error

Static property references incorrect class name with es2022 target and keepClassNames enabled

Nested arrays cause off-by-one error in generated sourcemaps

Is there any way to make WASM Plugin output information to JS

Emit doesn't add newlines after blocks

`undefined`, `NaN`, and `Infinity` ident in decl is rewritten

CSS modules don't handle chaining of exception modifiers

Issues