Add dependencies from the child compilation to the main compilation (27c3e72)
Add typing for assets(Close jantimon#1243) (9fef060)
allow contenthash along with templatehash (049d4d3), closes #1033
Catch and ignore pretty-error errors (2056139), closes #921
Drop @types/webpack dependency (d4eb1c7)
Ignore foreign child compilers (1422664)
Improve perfomance for appcache files (b94e043)
load script files before style files files in defer script loading mode (97f9fb9)
Prevent chunks from beeing added multiple times (d65b37d)
Prevent lodash from being inlined to work around a babel-loader incompatibility (7f21910), closes #1223
Remove compilation.getStats() call for performance reasons (7005a55)
remove useless links for options (#1153) (267e0e0)
Update references to html-minifier (24bf1b5), closes #1311
typings.d.ts: added apply method type to HtmlWwbpackPlugin class definitoin (8b7255f), closes jantimon#1244
rename contenthash to templatehash (4c11c5d)
Repair typings (#1166) (f4cb241)
small type. minifcation instead of minification (#1154) (56037a6)
Use src/index.ejs by default if present (#1167) (c27e5e4)
chunksorter: Don't sort chunks by default (22fb03f)
loader: switch to loaderUtils.getOptions (a0a0f0d)
README: adds a link to template option documentation (f40aeae)
tests: Upgrade webpack-recompilation-simulator (dfe1d10)
Update lodash to 4.17.10 (cc3bf49)

Code Refactoring

Change the structure of the internal assets object (37db086)
Changed hook names and arguments - the hook order is 'beforeAssetTagGeneration', 'alterAssetTags', 'alterAssetTagGroups', 'afterTemplateExecution', 'beforeEmit', 'afterEmit' (14b4456)
Use Webpack 4 APIs (47efdea)

Features

add .toString implementation to htmlTags to allow easier rendering (34d8aa5)
Add default viewport meta tag for default template (302e39e), closes #897 #978
Add defer script loading (de315eb)
Add support for relative publicPath (dbbdd81)
Add support for <base> tag (#1160) (c5d4b86)
Add support for minifying inline ES6 inside html templates (c66766c), closes #1262
Add support for the [contenthash] placeholder inside htm file names (ae8233a)
Add typings to package.json (a524e8f), closes #1132
Allow to return async template parameters (99f9362)
drop workaround for "Uncaught TypeError: webpack_require(...) is not a function" to be compatible with webpack 5 (15ad0d2)
Export major version of this plugin (6ae6f48)
merge templateParameters with default template parameters (1d66e53)
Provide a verbose error message if html minification failed (7df269f)
compiler: Add file dependencies (bbc07a3)
compiler: Use a single compiler for multiple plugin instances (f29ae88)
compiler: Use timestamps to verify cache validity (0ebcd17)
Remove selfClosingTag (5d3d8e4)
Remove type="text/javascript" from injected script tags (b46bf67)
Replace jade with pug in examples (d7ec407)
Switch from jasmine to jest (ae1f435)
hooks: Add a helper for easier hook access (b6dec4b)
hooks: Provide static getHook method for access to all html-webpack-plugin hooks (#995) (82b34a1)
Simplify <meta> element and charset attribute (55313be)
support ES6 template string in default loader (d6b65dd), closes #950
Use jsdoc for static typing (a6b8d2d)
Use webpack 4 entries api to extract asset information (342867e)
html-tags: Add a helper to create html-tags (ee6a165)

BREAKING CHANGES

defaults: Use src/index.ejs if no template option is set.
defaults: The default template has now a predefined viewport meta tag
defaults: The default meta utf-8 declaration was changed to <meta charset="utf-8"/>
hooks: Renamed beforeHtmlGeneration hook to beforeAssetTagGeneration
hooks: Renamed beforeHtmlProcessing hook to alterAssetTags
hooks: Renamed afterHtmlProcessing hook to beforeEmit
hooks: The html-webpack-plugin doesn't add its hooks to the compilation object anymore
The assets object which is used for the template parameters and inside hooks was changed. The chunks property was removed and the js and css property was converted from a string into an object { entryName: string, path: string}
The mimetype information "text/javascript" is removed from all generated script tags
Remove selfClosingTag attribute
Template strings inside templates are now disabled by default
Dropped support for Webpack 1 - 3
Template variable webpack was removed
chunksorter: Chunks aren't sorted anymore by default