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Soundness Bug in this crate

Status: Open.

#11719 In swc-project/swc;

· lewismosciski opened on Mar 20, 2026

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

C-bug

Status: Open.

#11715 In swc-project/swc;

· kdy1 opened on Mar 20, 2026

·  

Planned

es/minifier: useless arguments aren't removed from new expr

enhancement

Status: Open.

#11684 In swc-project/swc;

· Le0Developer opened on Mar 15, 2026

·  

Planned

Static perf audit: potential O(n²) AST mutations and repeated subtree scans in crates/swc_ecma_transformer/src

Status: Open.

#11667 In swc-project/swc;

· kdy1 opened on Mar 12, 2026

perf(swc_ecma_transforms_base/rename): use FxHashMap in concurrent child aggregation

Status: Open.

#11666 In swc-project/swc;

· kdy1 opened on Mar 12, 2026

perf(swc_ts_fast_strip): skip comment collection in strip-only mode

Status: Open.

#11659 In swc-project/swc;

· kdy1 opened on Mar 12, 2026

perf(swc_ts_fast_strip): add ASCII fast path for strip-only replacement loop

Status: Open.

#11658 In swc-project/swc;

· kdy1 opened on Mar 12, 2026

perf(swc_ts_fast_strip): reduce repeated binary-search token lookups in TsStrip

Status: Open.

#11657 In swc-project/swc;

· kdy1 opened on Mar 12, 2026

perf(swc_ts_fast_strip): remove redundant token sorting after parser capture

Status: Open.

#11656 In swc-project/swc;

· kdy1 opened on Mar 12, 2026

[Performance] Static-analysis hotspots in swc_ecma_transforms_react

Status: Open.

#11654 In swc-project/swc;

· kdy1 opened on Mar 12, 2026

perf(swc_ecma_transforms_typescript): reduce repeated AST passes and enum clone churn

Status: Open.

#11653 In swc-project/swc;

· kdy1 opened on Mar 12, 2026

perf(swc_ecma_parser): avoid cloning decorators in TS export speculative paths

Status: Open.

#11652 In swc-project/swc;

· kdy1 opened on Mar 12, 2026