Bootstrap makes a major update – moving to version 3.0 RC2
Bootstrap just cut a new release for Bootstrap 3, RC2. It's a big release as lots has changed, but that should all be for the better.
From the official Blog:
Key changes from RC1
Without listing all the minor changes (there have been over 500 commits since RC1!), here's a quick overview of the changes.
- The Customizer is back! Still needs some work, but functionality has been rewritten and will be improved as we head to final release.
- Added new mention to our browser compatibility docs to highlight the workaround for Internet Explorer 10 in Windows Phone 8 not picking up media queries.
- Added new section to the Getting Started page for documenting third party and addon compatibility issues.
- Added new Accessibility section, lots of new aria and role attributes, and more for improved 508 and WCAG compliancy. See #9186. Also improved used of more semantic HTML5 elements in docs per #9332, #9347, and #9352.
- Added HTML validation tests, and made any existing failures pass. See #9396.
Global CSS changes:
- Update vertical and horizontal gradients to make start and end color parameters come first, then start and end positions. Fixes #9049.
!importantto avoid needing overrides due to specificity (like in navbar, button groups, etc). See #8697.
- Lots of variable additions to components.
Updated gradients to not include
background-colorfor improved use of
rgba()colors within mixins. See #8877
Overhauled grid system to include four tiers instead of the original three of RC1. We now have
.col-lg(large desktops). Responsive utilities have been updated to match these new tiers as well. See relevant commit.
.rows only have negative left and right margins if they sit within a
.container. This resolves the horizontal scrollbar issue for folks with full page containers (restoring the full behavior of the old fluid container from 2.x).See #8959.
- Grid now includes offset, push, and pull classes for each break point See #8974.
- Updated mixins to include ability to specify gutter width as a second parameter. See #8935.
- Buttons and inputs, and their large counterparts, are now a bit shorter.
New default button styles and higher contrast on
:activestates. Fixes #8786.
New classes for size modifier classes—instead of
.btn-large, we now have
.btn-lg. See #9056.
New button group sizing classes: just add
.btn-groupand you're good to go. See #9295.
Similar to the new button classes, we have new input size classes:
.input-lg. See #9056.
Input focus states now generated via variable and mixin. Use the
.form-control-focusmixin to generate a custom
box-shadow. See commit . * Size modifier classes for large and small components—including buttons, form inputs, pagination, and wells—have all been standardized to use
-lg. See #9056.
Inline forms now require the use of
.form-group, per #9382, to properly align and size all (native and custom) form controls. This also helps make form markup more consistent and flexible (just swap a class), so woohoo!
.static-form-controlto account for static, placeholder text in horizontal form layouts. Fixes #8150.
New input group sizing classes: just add
.input-groupand you're good to go. See #9295.
Dropped accordion for updated panel.
- Removed the accordion and instead chosen to extend the panel component to provide the same functionality. See #9404.
Overhauled navbar to always be responsive and mobile first.
Navbars now require a
.navbar-headerto wrap up brand and toggle.
.nav-collapsehas been renamed to
.navbar-collapseand automatically hits a max-height and will overflow to keep your nav content in the same viewport.
- See details in #9403.
- Navbars now require a
Navbar's no longer use
.pull-right, but rather
.navbar-right. This avoids issues with specificity due to chaining classes and enables easier styling.
Miscellaneous component changes:
Alerts that are to be dismissed now require
.alert-dismissableto properly pad the alert and align the close button.
- Responsive utilities are now mixin-able thanks to.
.alert-blockfor a simpler
- Linked panel titles now inherit their color. Fixes .
List groups in panels no longer require
Labels now require
.label-defaultfor the "default" gray option.
- Labels now collapse automatically (not in IE8) when empty.
- Similar to the new button classes, we have new input size classes:
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