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crates.io · #2913 most downloaded on crates.io
rust port of babel and closure compiler.
Last release today
03 Nov 2026
Ships fairly regularly
a new release about every 2 weeks
Rarely documented
notes for 13 of the last 60 stable releases
4 versions withdrawn
withdrawn after publishing
6 years old
759 releases · first in 2021
One column per quarter.
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(es/minifier) Fix debug cargo feature
(es/transfomer) Prevent breaking change
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(hstr) Fix unsoundness of wtf8's transmutation
(es/ast) Fix unicode unpaired surrogates handling
(es/codegen) Encode non-ASCII chars in regex with ascii_only option
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(es/react) Use correct span for @jsxFrag as null literal
(es/parser) Handle JSX attributes with keyword prefixes correctly
(es/compat) Apply Array.prototype.slice to arguments in loose spread
(es/compat) Apply Array.prototype.slice to arguments in loose spread (#11122) (66428a2)
(es/compat) Handle sparse arrays correctly in generator transforms (#11131) (9cd4334)
(es/transforms) Check errors::HANDLER.is_set() before failing (#11130) (1c9ab27)
(bindings) Introduce AST Viewer to improve debugging experience
(es/minifier) Preserve __proto__ shorthand property behavior
(swc_common) Fix compatibility with serde 1.0.220+
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(es/minifier) Check in param before add ident
(es/compat) Preserve typeof symbol in loose mode
(es/ast) Fix unicode lone surrogates handling
(es/minifier) Fix debug feature
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