Behavioural changes in TerserJS are listed here.

Unreleased¶ ↑

1.2.8 (08 July 2026)¶ ↑

• update TerserJS to [5.49.0]

1.2.7 (23 March 2026)¶ ↑

• added a new module option to enable minification of ES6 modules (default is false)

• update TerserJS to [5.46.1]

1.2.6 (19 June 2025)¶ ↑

• update TerserJS to [5.43.1]

• remove base64 for compatibility with Ruby 3.4

1.2.5 (20 January 2025)¶ ↑

• update TerserJS to [5.37.0]

1.2.4 (7 October 2024)¶ ↑

• update TerserJS to [5.34.1]

1.2.3 (11 June 2024)¶ ↑

• update TerserJS to [5.31.1]

1.2.2 (2 April 2024)¶ ↑

• update TerserJS to [5.30.2]

• build an unminified version to make security reviews easier

1.2.1 (28 March 2024)¶ ↑

• update TerserJS to [5.30.0]

1.2.0 (22 January 2024)¶ ↑

• update TerserJS to [5.27.0]

• remove sourcemap patches

• pure_new option added

• EOL rubies are no longer tested

• update rubocop

1.1.20 (27 November 2023)¶ ↑

• update TerserJS to [5.24.0]

• fix mangle properties, thanks @khaitu!

1.1.19 (19 October 2023)¶ ↑

• update TerserJS to [5.22.0]

• enable passing terser options with Rails directly

1.1.18 (5 September 2023)¶ ↑

• update TerserJS to [5.19.4]

1.1.17 (14 July 2023)¶ ↑

• update TerserJS to [5.19.0]

1.1.16 (01 June 2023)¶ ↑

• update TerserJS to [5.17.7]

1.1.15 (09 May 2023)¶ ↑

• update TerserJS to [5.17.3]

• add lhs_constants (default is true)

1.1.14 (24 February 2023)¶ ↑

• update TerserJS to [5.16.5]

• update Rubocop

1.1.13 (03 December 2022)¶ ↑

• update TerserJS to [5.16.1]

1.1.12 (15 July 2022)¶ ↑

• update TerserJS to [5.14.2]

1.1.11 (28 June 2022)¶ ↑

• add keep_classnames and keep_numbers available in terser (default is false)

1.1.10 (13 June 2022)¶ ↑

• update TerserJS to [5.14.1]

1.1.9 (04 May 2022)¶ ↑

• update TerserJS to [5.13.1]

1.1.8 (25 November 2021)¶ ↑

• update TerserJS to [5.10.0]

1.1.7 (23 September 2021)¶ ↑

• update TerserJS to [5.9.0]

1.1.6 (15 September 2021)¶ ↑

• update TerserJS to [5.8.0]

1.1.5 (29 June 2021)¶ ↑

• update TerserJS to [5.7.1]

1.1.4 (27 June 2021)¶ ↑

• update TerserJS to [5.7.0]

• use railtie to register compressor on Rails initialization

1.1.3 (23 March 2021)¶ ↑

• update TerserJS to [5.6.1]

1.1.2 (03 March 2021)¶ ↑

• update TerserJS to [5.6.0]

1.1.1 (19 November 2020)¶ ↑

• update TerserJS to [5.5.0]

• (bugfix) error messages

• update rubocop to 1.3.1

1.1.0 (17 November 2020)¶ ↑

• update TerserJS to [5.4.0]

1.0.2 (13 October 2020)¶ ↑

• LICENSE.txt encoding fix

• update rubocop to 0.93.1

1.0.1 (02 August 2020)¶ ↑

• share the context in order to speedup sprockets compilation

1.0.0 (13 July 2020)¶ ↑

• add sprockets wrapper

• drop Ruby < 2.3.0 support

• drop ES5 mode

• drop IE8 mode

• drop unsupported runtimes (therubyracer, therubyrhino) because they don’t support ECMA6

• update tests and new options

• update SourceMap to 0.6.1

• update TerserJS to [4.8.0]

• switch from UglifyJS to TerserJS (github.com/terser/terser)

• fork from Uglifier (github.com/lautis/uglifier/releases/tag/v4.2.0)