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The Official Bootstrap Blog

Announcements, discussions, and more for Bootstrap.

Bootstrap 3.3.4 released

Bootstrap 3.3.4 is here! This release has been focused on bug fixes and documentation improvements. We’ve had over 325 commits from 29 contributors since our last release! Nice.

Here are some of the highlights:

  • Fixes for a few significant bugs in the Modal plugin.
  • Fixes for a couple annoying bugs in the ScrollSpy plugin.
  • Bootstrap is now also available as a Meteor package in the Atmosphere package index.
  • Convenience aliases have been added for currency symbol Glyphicons based on their related 3-letter ISO currency codes. For example, .glyphicon-rub is a new alias for .glyphicon-ruble, the currency symbol for the Russian ruble (RUB).
  • We have deployed AnchorJS in our documentation to make it easier to link to specific sections within the docs.

For a complete breakdown, read the release changelog or the v3.3.4 milestone.

What happened to v3.3.3?

Since our previous release was v3.3.2, you’re probably wondering why this release isn’t v3.3.3 instead. Basically, the official Sass port of Bootstrap had a Sass-specific bug in their v3.3.2 release, so they immediately issued a follow-up release to fix the bug. This bugfix release was initially numbered as v3.3.2+1. However, this 4-digit version number scheme has caused grief with some tools, so with the blessing of the Core Team, the Sass Team took this opportunity to switch to a more vanilla 3-digit SemVer numbering scheme. Thus, bootstrap-sass v3.3.2+1 was re-released as bootstrap-sass v3.3.3, with only the version number changed compared to v3.3.2+1.

To avoid confusion regarding which bootstrap-sass release(s) correspond to which upstream Bootstrap release, Bootstrap’s version numbering will henceforth skip over any bootstrap-sass patch release version numbers. Thus, the patch digit (i.e. the 3rd digit) of bootstrap-sass’s version number may be ahead of Bootstrap’s due to Sass-specific fixes, and the next Bootstrap release’s number will always be greater than the previous bootstrap-sass release’s number.

Download Bootstrap

Download the latest release—source code, compiled assets, and documentation—as a ZIP file directly from GitHub:

Download Bootstrap 3.3.4

Hit the project repository or Sass repository for more options. Also, remember we’re available on npm, too.

Bootstrap CDN

After reviewing the changelog, update your CDN links to point to the v3.3.4 files:

<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">

<!-- Optional theme -->
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap-theme.min.css">

<!-- Latest compiled and minified JavaScript -->
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>

<3,

@cvrebert & team

Bootstrap 3.3.2 released

Bootstrap 3.3.2 is here! This release has been all about bug fixes, accessibility improvements, and documentation updates. We’ve had over 300 commits from 19 contributors since our last release. Woohoo!

Here are some of the highlights:

  • Updated Glyphicons to v1.9.
  • Reverted support for delegating multiple tooltips via a single element, because it caused nasty regressions.
  • Fixed a regression that broke wrap: false for the carousel plugin.
  • Added manual vendor prefixing back to carousel CSS to avoid a regression among folks not yet using Autoprefixer.
  • Improved accessibility of our examples and added more accessibility guidance to our docs.

We’ve also deployed two new bots to aid Bootstrap’s development:

  • Savage, a bot to automatically run Sauce cross-browser tests on JavaScript pull requests.
  • @twbs-grunt, a bot to automatically keep our compiled /dist/ files up-to-date

For a complete breakdown, read the release changelog or the v3.3.2 milestone.

New team member

We’re stoked to welcome Patrick to the Bootstrap team! Patrick brings with him terrific accessibility expertise and has already contributed many improvements to Bootstrap’s components and documentation.

Download Bootstrap

Download the latest release—source code, compiled assets, and documentation—as a zip file directly from GitHub:

Download Bootstrap 3.3.2

Hit the project repository or Sass repository for more options. Also, remember we’re available on npm, too.

Bootstrap CDN

After reviewing the changelog, update your CDN links to point to the v3.3.2 files:

<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">

<!-- Optional theme -->
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap-theme.min.css">

<!-- Latest compiled and minified JavaScript -->
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"></script>

<3,

@mdo & team

Bootstrap 3.3.1 released

Say hello to Bootstrap 3.3.1. As one of our fastest follow up releases, the changelog is focused around a small set of bug fixes for our CSS and JS, loads of accessibility improvements, and several documentation improvements.

For a complete breakdown, read the release changelog or the v3.3.1 milestone.

Download Bootstrap

Download the latest release—source code, compiled assets, and documentation—as a zip file directly from GitHub:

Download Bootstrap 3.3.1

Hit the project repository or Sass repository for more options. Also, remember we’re available on npm, too.

Bootstrap CDN

After reviewing the changelog, update your CDN links to point to the v3.3.1 files:

<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">

<!-- Optional theme -->
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap-theme.min.css">

<!-- Latest compiled and minified JavaScript -->
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>

<3,

@mdo & team

Bootstrap 3.3.0 released

Bootstrap 3.3.0 is here! This release has been all about bug fixes, accessibility improvements, and documentation updates. We’ve had over 700 commits from 28 contributors since our last release. Woohoo!

Here are some of the highlights:

  • Added a handful of new Less variables for easier customization.
  • Removed recent progress bar changes for low percentages.
  • Removed all instances of translate3d as they improved repaint performance, but also added several cross browser bugs.
  • Added transforms to improve carousel performance in modern browsers.
  • Updated Normalize.css and our H5BP print styles to their latest releases.
  • Improved accessibility for navs, panels, tooltips, buttons, and more.
  • Resolved dozens of JavaScript and documentation bugs.

For a complete breakdown, read the release changelog or the v3.3.0 milestone.

Download Bootstrap

Download the latest release—source code, compiled assets, and documentation—as a zip file directly from GitHub:

Download Bootstrap 3.3.0

Hit the project repository or Sass repository for more options. Also, remember we’re available on npm, too.

An update for the Bootstrap CDN will be available shortly.

New tools

Since our last release, we’ve open sourced two new tools:

  • Bootlint, a custom linter for all your Bootstrap projects.
  • Rorschach, a bot for checking new pull requests for common mistakes.

They join LMVTFY, our bot for quickly validating HTML in live examples. As the project, team, and community continue to grow, look for even more awesome tools to be open sourced.

Onward to Bootstrap 4

Perhaps the best part of releasing v3.3.0 today is that we can start to tell you more about Bootstrap 4! While the first alpha is a couple weeks off, here’s a quick preview of what’s to come:

  • Updated grid system with at least one additional tier for handheld devices.
  • A brand new component to replace panels, thumbnails, and wells.
  • A completely new, simpler navbar.
  • Switch all pixel values over to rems and ems for easier and better type and component sizing.
  • Dropped support for IE8.
  • Tons of form updates, including custom form controls.
  • New component animations and transitions for several components.
  • UMD support throughout our JavaScript plugins.
  • Improved JavaScript positioning for tooltips, popovers, and dropdowns.
  • Brand new documentation (written in Markdown, too!).
  • A new approach to configuring global theming options.
  • And hundreds more changes across the board.

We’d love to tell you more, but the dust still has to settle before we open our first pull request with a live alpha release. In addition to launching in v4 in the coming months, we’ll be maintaining v3 with small bugfixes for the first few months after the new version ships.

<3,

@mdo & team

Introducing Rorschach

Bootstrap receives tons of awesome pull requests every week. Many of them come from folks new to contributing to the project. As such, there are a few beginner mistakes we’ve noticed over time.

So, we made Rorschach, a bot that runs a few quick checks on every new pull request.

Rorschach automatically gives instant feedback on Bootstrap pull requests that suffer from one of several simple mistakes, thus decreasing turnaround time on fixing the pull request. The bot refers the contributor to new documentation we’ve written to explain each of the mistakes in detail, along with how to correct them, thus decreasing friction for contributors.

Previously, these mistakes were checked for manually, which meant there was often a delay before the mistake was noticed and that pull request reviewers had to manually explain the mistake to the contributor each time. With Rorschach, everyone should have a smoother experience working on Bootstrap.

Happy pull requesting!

<3,

@cvrebert and team