3.0.0 (22 March 2016)¶ ↑

• drop support for Ruby 1.8

• remove json as dependency

• discard unused function arguments only in unsafe mode

• add keep_fnames option to preserve function names in compressed code

• add collapse_vars option to collapse single-use variables

• backwards incompatible changes to source map options

• support for inline base64 encoded source maps

• mangle property names option (disabled by default)

• update UglifyJS to 2.6.2

2.7.2 (26 August 2015)¶ ↑

• update UglifyJS to 2.4.24

2.7.1 (27 February 2015)¶ ↑

• fix compatibility with experimental Alaska ExecJS runtime

2.7.0 (8 January 2015)¶ ↑

• copyright comment preservation also includes comments starting with a bang (!)

2.6.1 (1 January 2015)¶ ↑

• update UglifyJS to 2.4.16

2.6.0 (8 December 2014)¶ ↑

• allow metadata to be appended to minified code

2.5.3 (18 July 2014)¶ ↑

• no changes

2.5.2 (18 July 2014)¶ ↑

• update UglifyJS to 2.4.15

2.5.1 (13 June 2014)¶ ↑

• update UglifyJS to 2.4.14

2.5.0 (15 March 2014)¶ ↑

• update UglifyJS to 2.4.13

• process Angular @ngInject annotations

• add keep_fargs option

• change ascii_only default to true

2.4.0 (19 December 2013)¶ ↑

• update UglifyJS to 2.4.8

• add drop_console compress option

2.3.3 (12 December 2013)¶ ↑

• update UglifyJS to 2.4.7

2.3.2 (1 December 2013)¶ ↑

• update UglifyJS to 2.4.6

• document missing mangler and output options

2.3.1 (8 November 2013)¶ ↑

• update UglifyJS to 2.4.3

2.3.0 (26 October 2013)¶ ↑

• use JSON gem instead of multi_json

• update UglifyJS to 2.4.1

• fix issues with some Unicode JS identifiers (#47, #58)

2.2.1 (28 August 2013)¶ ↑

• fix IE8 compatibility

2.2.0 (25 August 2013)¶ ↑

• update UglifyJS to 2.4.0

• add negate_iife compressor option

• escape null characters as x00, so that null followed by number isn't interpreted as octal (#47)

2.1.2 (7 July 2013)¶ ↑

• update UglifyJS to 2.3.6

2.1.1 (18 May 2013)¶ ↑

• fix JScript compatibility

• update UglifyJS to 2.3.4

2.1.0 (8 May 2013)¶ ↑

• update to UglifyJS 2.3.0

• add enclose and screw_ie8 options

2.0.1 (6 April 2013)¶ ↑

• fix compatibility with Sprockets 2.9.0

2.0.0 (6 April 2013)¶ ↑

This release is backwards incompatible for JS compressor options.

• update UglifyJS to 2.2.5

• change compressor arguments to align with UglifyJS2

• compile_with_map: generate source maps for minified code