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crates.io · #4931 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
Some releases are documented
notes for 15 of the last 60 stable releases
1 version withdrawn
withdrawn after publishing
6 years old
886 releases · first in 2021
One column per quarter.
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(es/transformer) Fix missing var declaration in nullish coalescing with spreads
(es/compat) Preserve return value for single-property object destructuring
(es/compat) Preserve return value for single-property object destructuring (#11334) (847ad22)
(es/compat) Fix generator transform for compound assignments, for-in, and labeled break (#11339) (9b6bedd)
(es/compat) Destructuring evaluation order (#11337) (49d04c7)
(es/helpers) Avoid extra trap calls on excluded keys in object rest spread (#11338) (4662caf)
(es/minifier) Fix debug cargo feature
(es/transfomer) Prevent breaking change
(plugin) Avoid data copy when transformation finished
(cli) Update plugin template to use VisitMut API
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(es/ast) Fix unicode unpaired surrogates handling
(es/minifier) Fix inlining of hoisted functions
(es/codegen) Encode non-ASCII chars in regex with ascii_only option
(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)
(es/minifier) Preserve __proto__ shorthand property behavior
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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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