0.20.0 (2020-03-26)

• This is the last Buble version to work on Node v4 & v6. Going forward, support for old Node versions that reached End-of-Life will not be actively maintained. #250
• Fix recognition of catch-declared variables (#237)
• Prevent labels from being renamed due to let/const transpilation. (#236)
• Fix scoping of variables declared in for loops. (#233)
• Fix an error when transpiling for (a[0] in b). (#232)
• Fix an error when transpiling for with an empty init. (#226)
• Fix let/const transpilation when combined with shorthand properties. (#229)
• Fix JSX not respecting advanced white space characters. (#218)
• Fix name collision when transpiling A = class extends A {}. (#209)
• Fix os-homedir dependency warnings on install. (#207)
• Upgrade dependencies to their latest patch versions, fixing security audit warnings. (#250)

0.19.8 (2019-07-03)

• Allow shebang (#191)
• Fix tagged template literal in certain cases (#190)
• Fix removing of trailing commas in certain cases (#194)
• Make JSX Fragment configurable (#198)
• Fix transpiling string-keyed properties with whitespaces before colons (#200)

0.19.7 (2019-03-11)

• Throw error on dynamic import expression if transform is not disabled
• Throw error on async and await if transform is not disabled
• Allow await outside of functions
• Don't bundle acorn dependencies (#165)
• Inline spread elements where possible (#179)
• Correctly handle operator precedence for array spread (#177)
• Correctly pass-through async arrow functions and methods (#109, #146)
• Move repository to https://github.com/bublejs/buble
• Exclude non-string keys from rest properties (#149)

0.19.6 (2018-10-23)

• Fix class expressions with heritage in arrow functions (#150)
• Support objectAssign: true in API as a short-hand for objectAssign: "Object.assign"
• Bundle all acorn dependencies (for now), but no others (#159)

0.19.5 (2018-10-16)

• Transpile U+2028 and U+2029 according to stage 4 proposal json-superset
• Add /*@__PURE__*/ annotations to transpiled classes
• Update support data
• Allow disabling spread properties transpiling
• Fix specific edge case with spread and computed properties (#139)
• Allow global return statements
• Don't create unnecessary this aliases with loops (#120)
• Don't allow getters and setters if IE8 is transpile target (#20)

0.19.4 (2018-10-06)

• Fix transpiling destructuring assignments in brace-less if statement's bodies (#152)
• Fix transpiling const and let after brace-less if statements (#132)
• Transpile binary and octal number literals if base prefix is upper-case (#74)
• Mark classes as supported in Chrome 48
• Mark destructuring of arrow function arguments as not supported in Firefox < 52

0.19.3 (2018-02-13)

• Make sure browser builds are actually valid ES5 (except for the modules build)

0.19.2 (2018-02-12)

• Correctly specify browser field in package.json (#107)
• Fix a compile error about using super outside of class methods
• Fix transpiling rest properties

0.19.1 (2018-02-10)

• Fix transpiling let and const if arrow functions are not transpiled (i. e. node: 4)

0.19.0 (2018-02-10)

Enhancements

• Add support information for new environments
• Add (pass-thru) support for async generators and for-async-of
• Add support for dynamic import (#102)
• Add support for JSX fragments (#62)
• Add unpkg build and transpile browser build for older environments (#93)
• Reuse tagged template quasis (#67)
• Transpile trailing commas in new expressions (#63)
• Add support for destructuring in for-in and for-of loop heads
• Add support for destructuring in catch clause params
• Add support for rest properties in assignments

Fixes

• Don't remove commas in comments after the last argument (#89)
• Support transformations involving aliasing of variables in block scopes (#60)
• Evaluate expression only once with inline default pattern elements
• Fix nested object and array patterns, rest properties and default values in for loop heads
• Only put own properties in rest properties
• Improve declaration of helper variables
• Allow modification of mutable variables that shadow a const before declaration (#59)
• Correctly detect modification of immutable variables through destructuring assignments
• In object methods, support destructuring declarations initialized with a variable having the same name as the method (#86)
• Fix properties with string literal keys after computed properties (#91)
• Fix methods after computed properties (#101)
• Fix short-hand generator methods
• Fix template literals in array after spread element (#105)
• Fix arrow functions in array after spread element (#100)
• Fix arrow functions in new expression after spread element (#100)
• Restore decoding HTML entities in JSX (#104)
• Correct various entries in support matrix