| 1 | # Changelog
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| 2 |
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| 3 | All notable changes to this project will be documented in this file.
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| 4 |
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| 5 | The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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| 6 | and this project adheres to [Semantic
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| 7 | Versioning](https://semver.org/spec/v2.0.0.html).
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| 8 |
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| 9 |
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| 10 |
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| 11 | ## [2.4.4] - 2020-07-20
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| 12 |
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| 13 | - Fixed bug where Object.assign polyfill would copy non-enumerable properties.
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| 14 | - Convert platform (`Array.from`, `CustomEvent`, `Promise` etc.) polyfills to
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| 15 | TypeScript ([#292](https://github.com/webcomponents/polyfills/pull/292))
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| 16 | - Improve types for JSCompiler compatibility
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| 17 | ([#307](https://github.com/webcomponents/polyfills/pull/307))
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| 18 | - README improvements
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| 19 | ([#128](https://github.com/webcomponents/polyfills/pull/128),
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| 20 | [#212](https://github.com/webcomponents/polyfills/pull/212),
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| 21 | [#214](https://github.com/webcomponents/polyfills/pull/214))
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| 22 |
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| 23 | ## [2.4.3] - 2020-03-16
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| 24 |
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| 25 | - Maintenance release (no user-facing changes)
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| 26 |
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| 27 | ## [2.4.2] - 2020-02-26
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| 28 |
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| 29 | - Remove unnecessary externs
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| 30 | ([#272](https://github.com/webcomponents/polyfills/pull/272))
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| 31 |
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| 32 | ## [2.4.1] - 2020-01-09
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| 33 |
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| 34 | - Maintenance release (no user-facing changes)
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| 35 |
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| 36 | ## [2.4.0] - 2019-11-12
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| 37 |
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| 38 | - Add on-demand patching mode
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| 39 | ([#189](https://github.com/webcomponents/polyfills/pull/189))
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