Bootstrap uses [GitHub's Releases feature](https://github.com/blog/1547-release-your-software) for its changelogs.
See [the Releases section of our GitHub project](https://github.com/twbs/bootstrap/releases) for changelogs for each release version of Bootstrap.
Release announcement posts on [the official Bootstrap blog](https://blog.getbootstrap.com) contain summaries of the most noteworthy changes made in each release.
// Custom function to remove all export and import statements
process:function(src){
returnsrc.replace(/^(export|import).*/gm,'')
}
},
bootstrap:{
src:[
'js/src/util.js',
'js/src/alert.js',
'js/src/button.js',
'js/src/carousel.js',
'js/src/collapse.js',
'js/src/dropdown.js',
'js/src/modal.js',
'js/src/scrollspy.js',
'js/src/tab.js',
'js/src/tooltip.js',
'js/src/popover.js'
],
dest:'dist/js/<%= pkg.name %>.js'
}
},
qunit:{
options:{
inject:'js/tests/unit/phantom.js'
},
files:'js/tests/index.html'
},
// CSS build configuration
copy:{
docs:{
expand:true,
cwd:'dist/',
src:[
'**/*'
],
dest:'docs/dist/'
}
},
connect:{
server:{
options:{
port:3000,
base:'.'
}
}
},
jekyll:{
options:{
bundleExec:true,
config:'_config.yml',
incremental:false
},
docs:{},
github:{
options:{
raw:'github: true'
}
}
},
htmllint:{
options:{
ignore:[
'Attribute “autocomplete” is only allowed when the input type is “color”, “date”, “datetime”, “datetime-local”, “email”, “hidden”, “month”, “number”, “password”, “range”, “search”, “tel”, “text”, “time”, “url”, or “week”.',
'Attribute “autocomplete” not allowed on element “button” at this point.',
'Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).',
'Element “div” not allowed as child of element “progress” in this context. (Suppressing further errors from this subtree.)',
'Element “img” is missing required attribute “src”.',
'The “color” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
'The “date” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
'The “datetime” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
'The “datetime-local” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
'The “month” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
'The “time” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
'The “week” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.'
[](https://saucelabs.com/u/bootstrap)
Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development, created by [Mark Otto](https://twitter.com/mdo) and [Jacob Thornton](https://twitter.com/fat), and maintained by the [core team](https://github.com/orgs/twbs/people) with the massive support and involvement of the community.
To get started, check out <https://getbootstrap.com>!
## Table of contents
-[Quick start](#quick-start)
-[Bugs and feature requests](#bugs-and-feature-requests)
-[Documentation](#documentation)
-[Contributing](#contributing)
-[Community](#community)
-[Versioning](#versioning)
-[Creators](#creators)
-[Copyright and license](#copyright-and-license)
## Quick start
Several quick start options are available:
-[Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.6.zip)
- Clone the repo: `git clone https://github.com/twbs/bootstrap.git`
- Install with [npm](https://www.npmjs.com): `npm install bootstrap@4.0.0-alpha.6`
- Install with [yarn](https://github.com/yarnpkg/yarn): `yarn add bootstrap@4.0.0-alpha.6`
- Install with [Composer](https://getcomposer.org): `composer require twbs/bootstrap:4.0.0-alpha.6`
- Install with [Bower](https://bower.io): `bower install bootstrap#v4.0.0-alpha.6`
- Install with [NuGet](https://www.nuget.org): CSS: `Install-Package bootstrap -Pre` Sass: `Install-Package bootstrap.sass -Pre` (`-Pre` is only required until Bootstrap v4 has a stable release).
Read the [Getting started page](https://getbootstrap.com/getting-started/) for information on the framework contents, templates and examples, and more.
### What's included
Within the download you'll find the following directories and files, logically grouping common assets and providing both compiled and minified variations. You'll see something like this:
```
bootstrap/
├── css/
│ ├── bootstrap.css
│ ├── bootstrap.css.map
│ ├── bootstrap.min.css
│ └── bootstrap.min.css.map
└── js/
├── bootstrap.js
└── bootstrap.min.js
```
We provide compiled CSS and JS (`bootstrap.*`), as well as compiled and minified CSS and JS (`bootstrap.min.*`). CSS [source maps](https://developer.chrome.com/devtools/docs/css-preprocessors)(`bootstrap.*.map`) are available for use with certain browsers' developer tools.
## Bugs and feature requests
Have a bug or a feature request? Please first read the [issue guidelines](https://github.com/twbs/bootstrap/blob/master/CONTRIBUTING.md#using-the-issue-tracker) and search for existing and closed issues. If your problem or idea is not addressed yet, [please open a new issue](https://github.com/twbs/bootstrap/issues/new).
## Documentation
Bootstrap's documentation, included in this repo in the root directory, is built with [Jekyll](https://jekyllrb.com) and publicly hosted on GitHub Pages at <https://getbootstrap.com>. The docs may also be run locally.
### Running documentation locally
1. Run through the [tooling setup](https://github.com/twbs/bootstrap/blob/v4-dev/docs/getting-started/build-tools.md#tooling-setup) to install Jekyll (the site builder) and other Ruby dependencies with `bundle install`.
2. Run `grunt` (or a specific set of Grunt tasks) to rebuild distributed CSS and JavaScript files, as well as our docs assets.
3. From the root `/bootstrap` directory, run `bundle exec jekyll serve` in the command line.
4. Open <http://localhost:9001> in your browser, and voilà.
Learn more about using Jekyll by reading its [documentation](https://jekyllrb.com/docs/home/).
### Documentation for previous releases
Documentation for v2.3.2 has been made available for the time being at <https://getbootstrap.com/2.3.2/> while folks transition to Bootstrap 3.
[Previous releases](https://github.com/twbs/bootstrap/releases) and their documentation are also available for download.
## Contributing
Please read through our [contributing guidelines](https://github.com/twbs/bootstrap/blob/master/CONTRIBUTING.md). Included are directions for opening issues, coding standards, and notes on development.
Moreover, if your pull request contains JavaScript patches or features, you must include [relevant unit tests](https://github.com/twbs/bootstrap/tree/master/js/tests). All HTML and CSS should conform to the [Code Guide](https://github.com/mdo/code-guide), maintained by [Mark Otto](https://github.com/mdo).
Editor preferences are available in the [editor config](https://github.com/twbs/bootstrap/blob/master/.editorconfig) for easy use in common text editors. Read more and download plugins at <http://editorconfig.org>.
## Community
Get updates on Bootstrap's development and chat with the project maintainers and community members.
- Follow [@getbootstrap on Twitter](https://twitter.com/getbootstrap).
- Read and subscribe to [The Official Bootstrap Blog](https://blog.getbootstrap.com).
- Join [the official Slack room](https://bootstrap-slack.herokuapp.com).
- Chat with fellow Bootstrappers in IRC. On the `irc.freenode.net` server, in the `##bootstrap` channel.
- Implementation help may be found at Stack Overflow (tagged [`bootstrap-4`](https://stackoverflow.com/questions/tagged/bootstrap-4)).
- Developers should use the keyword `bootstrap` on packages which modify or add to the functionality of Bootstrap when distributing through [npm](https://www.npmjs.com/browse/keyword/bootstrap) or similar delivery mechanisms for maximum discoverability.
## Versioning
For transparency into our release cycle and in striving to maintain backward compatibility, Bootstrap is maintained under [the Semantic Versioning guidelines](http://semver.org/). Sometimes we screw up, but we'll adhere to those rules whenever possible.
See [the Releases section of our GitHub project](https://github.com/twbs/bootstrap/releases) for changelogs for each release version of Bootstrap. Release announcement posts on [the official Bootstrap blog](https://blog.getbootstrap.com) contain summaries of the most noteworthy changes made in each release.