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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[2.8.0] - 2023-03-30

Update dependencies (#542)
Polyfill Element.toggleAttribute(). (#541)

[2.7.0] - 2022-10-20

Polyfill addEventListener/removeEventListener event listener options, including {capture: boolean, once: boolean}. (#469)
Make webcomponents-loader.js compatible with the Trusted Types API (#501)
Remove an arrow function in webcomponents-loader.js. (#507)

[2.6.0] - 2021-08-02

Add TS externs. (#457)

[2.5.0] - 2020-10-21

Polyfill Element#matches. (#400)
Remove function declarations from platform polyfills to sastisfy internal lint after import transforms. (#396)
Polyfill Element#getAttributeNames. (#393)
Add polyfills for ChildNode APIs. (#390)
Add polyfills for select ParentNode APIs. (#389)
Add classList support to SVGElement. (#391)
Add new entrypoints to webcomponentsjs for the 'platform' polyfills. (#385)

[2.4.4] - 2020-07-20

Fixed bug where Object.assign polyfill would copy non-enumerable properties.
Convert platform (Array.from, CustomEvent, Promise etc.) polyfills to TypeScript (#292)
Improve types for JSCompiler compatibility (#307)
README improvements (#128, #212, #214)

[2.4.3] - 2020-03-16

Maintenance release (no user-facing changes)

[2.4.2] - 2020-02-26

Remove unnecessary externs (#272)

[2.4.1] - 2020-01-09

Maintenance release (no user-facing changes)

[2.4.0] - 2019-11-12

Add on-demand patching mode (#189)