Bootstrap 3.3.1 发布，此版本现已提供下载（v3.3.1.zip）， Bootstrap 3.3.1 主要是 CSS 和 JS 的 bug 修复，大量的访问性改进和一些文档改进。更多内容请看更新日志或者 v3.3.1 milestone。 主要更新内容如下： Forms #14234: Drop the IE specific hacks for temporal inputs and replace with a Safari media query hack to avoid the IE problems altogether. Button groups #15086: Don't remove focus outline from buttons in button groups. Badges #14915: Properly color badges in.activeitem of<ul>-based list groups. #15052: Fix active styles when in non-anchor.list-group-item. Jumbotron #14979: Override.jumbotronpadding within.container-fluidto match.container. Navbar #14965: Resetborder-radiuson top corners on dropdown menus in fixed bottom navbars. Popovers and tooltips #14936, #15019: Fix some bugs in and deprecate diagonal placement classes for tooltips. #15046: Add full font overrides for popovers and tooltips. Theme #14381: Correctly override active dropdown items in collapsed navbars in the theme. #15018: Correctly override active dropdown items in collapsed navbars. JS #14925: Make button plugin's focus shim recognizefocusinevent in addition tofocusevent. #14931: Add workaround for seemingly spurious tooltip viewport unit test failures on iOS 8. #14927: Fix modal backdrop overlaying the modal's scrollbar. #14933: Center modal at all times. #14993: Have Carousel ignore keyboard events emited by<input>s or<textarea>s. #15088: Dropdown: Ignore keydown events coming frominputs andtextareas. Docs Browser bugs #14920: Add Wall of Browser Bugs entry for #14868. #14922: Add Wall of Browser Bugs entry for #14708. #14958: Add Wall of Browser Bugs entry for #14409. #14985: Add Wall of Browser Bugs entry for #14972. Accessibility #14951: Assorted accessibility (and some consistency) fixes. #15009, #15085: Glyphicon accessibility improvements. #15087: Wash-up of some stray dropdown examples' ARIA roles. Contributing guidelines #14949: Explain issue bots & PR bots inCONTRIBUTING.md. #14959: Mention common contributor mistakes inCONTRIBUTING.md. Components, examples, etc #14917: Use HTML5<footer>tag in examples. #14945: Replace deprecated uses of.pull-left&.pull-rightin.mediadocs. #14986: Mention Safari font size issues with fixed-width.containers in Printing docs. #14989: Addevent.relatedTarget+data-*example of how to vary modal content based on which button activated the modal. #15015: Add initialization examples to tooltip and popover "Opt-in functionality" callouts. #15077: Document required.activeclass on one carousel slide. Customizer #14954: Fixconfig.jsonfile upload widget event listener. #14980: Integrate Autoprefixer into the Customizer. #15031: Remove file type check from config import. Build tools / Packaging #15072: HTML validation:X-UA-Compatiblenow validates, so remove it from the list of ignored errors. Update devDependencies Bootstrap 3.3.1 发布下载地址
