Mark release 4.0.0

acornjs · Sep 7, 2016 · 44f0925 · 44f0925
1 parent aa766d1
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diff --git a/AUTHORS b/AUTHORS
@@ -14,7 +14,6 @@ Conrad Irwin
 Daniel Tschinder
 David Bonnet
 Domenico Matteo
-ForbesLindesay
 Forbes Lindesay
 Gilad Peleg
 impinball
@@ -52,7 +51,6 @@ ReadmeCritic
 r-e-d
 Richard Gibson
 Rich Harris
-Rich-Harris
 Sebastian McKenzie
 Timothy Gu
 Toru Nagashima

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,31 @@
+## 4.0.0 (2016-08-07)
+
+### Breaking changes
+
+The default `ecmaVersion` option value is now 7.
+
+A number of internal method signatures changed, so plugins might need
+to be updated.
+
+### Bug fixes
+
+The parser now raises errors on duplicated export names.
+
+`arguments` and `eval` can now be used in shorthand properties.
+
+Duplicate parameter names in non-simple argument lists now always
+produce an error.
+
+### New features
+
+The `ecmaVersion` option now also accepts year-style version numbers
+(2015, etc).
+
+Support for `async`/`await` syntax when `ecmaVersion` is >= 8.
+
+Support for trailing commas in call expressions when `ecmaVersion` is
+>= 8.
+
 ## 3.3.0 (2016-07-25)
 
 ### Bug fixes

diff --git a/package.json b/package.json
@@ -4,7 +4,7 @@
   "homepage": "https://github.com/ternjs/acorn",
   "main": "dist/acorn.js",
   "jsnext:main": "dist/acorn.es.js",
-  "version": "3.3.0",
+  "version": "4.0.0",
   "engines": {
     "node": ">=0.4.0"
   },

diff --git a/src/index.js b/src/index.js
@@ -36,7 +36,7 @@ export {isIdentifierChar, isIdentifierStart} from "./identifier"
 export {Token} from "./tokenize"
 export {isNewLine, lineBreak, lineBreakG} from "./whitespace"
 
-export const version = "3.3.0"
+export const version = "4.0.0"
 
 // The main exported interface (under `self.acorn` when in the
 // browser) is a `parse` function that takes a code string and