v4.0.0 ship list

[mdo]

Highlights

• Brand new examples and overhauls for existing ones.
• Additional border utilities have been added and the default border-color for them darkened from $gray-200 to $gray-300.
• Pagination focus styles now match button and input focus state.
• Added responsive .order-0 classes to reset column order.
• Improved examples of form validation documentation by adding tooltip examples and more.
• New documentation added for using our CSS variables to the Theming page.
• Improved consistent across browsers when printing.
• Sass map extends and docs
• New and improved print display utilities

CSS

• $component-active-bg and $component-active-color are partially useful #24710: $component-active-bg and $component-active-color are partially useful.
• Mixins form-control-focus and button-variant output invalid box-shadow value with shadows enabled #24821: Mixins form-control-focus and button-variant output invalid box-shadow value with shadows enabled.
• Add order-last grid class #24915: Added new .order-last grid classes to match existing .grid-first ones.
• Expand border utilities to include top, right, bottom, left #25021: Expand border utilities to include top, right, bottom, left.
• Allow customizing Popover and Tooltip font-size outside of `$font-s… #25035: Add variables for popover and tooltip font-size.
• Move alert theme-color() levels to variables #25072: Move alert theme-color() levels to variables.
• Extend spacers and sizes #25101: Extend $spacers and $sizes Sass maps the same way as we do our color maps to allow modifying, removing, and replacing key-value pairs.
• Removes hardcoded value for .nav-link padding #25117: Remove hardcoded value for navbar's .nav-link horizontal padding.
• Darken $gray-600 by 10% for AA contrast #25123: Darken $gray-600 by 10% for AA contrast.
• Add .order-0 to the flexbox grid ordering helpers. #25137: Add .order-0 to the flexbox grid ordering helpers.
• Outline active focus #25145: Update outline buttons to match default buttons—only show focus styles for the focused active state and not the normal active state.
• Update pagination focus styles #25149: Update pagination focus styles.
• input group addon support for textareas #25152: Reimplement input group addon support for textareas.
• Print tweaks #25164: Improve printing cross-browser with the addition of new styles and variables.
• Fixed color for disabled buttons #25167: Fixed color for disabled buttons.
• Using the expected variable to set the custom select height #25169: Using the $custom-select-height variable to set the custom select height instead of $input-height.
• Remove double borders for custom select and custom file #25173: Remove double borders for custom select and custom file.
• Patch fractional viewport widths to work around Safari rounding bug #25177: Patch fractional viewport widths to work around Safari rounding bug.
• add validation feedback/tooltip support to form-check-inputs #25210: Add validation feedback/tooltip support to .form-check-inputs.
• Remove touch-action:manipulation click optimization #25250: Remove touch-action:manipulation click optimization.
• Fix breakpoint mixins for custom breakpoint maps #25264: Fix breakpoint mixins for custom breakpoint maps.
• Prevent print utils from overriding all other display utils #25269: Prevent print utility display classes from overriding all other display utilities.
• Deprecate hover media query shim and mixins #25270: Deprecate hover media query shim and mixins.
• Add direct children selectors to avoid cascading styles into a menu form #25279: Add direct children selectors to avoid cascading styles into a menu form.
• Add display utilities to bootstrap-grid.scss #25308: Add display utilities to bootstrap-grid.scss.
• Consistently use :disabled rather than [disabled] selector #25317: Consistently use :disabled rather than [disabled] selector.
• Use .list-group-item-action for list group item variant #25338: Use .list-group-item-action for list group item variant.
• Outline button hover color #25339: Outline button hover color.

JS

• Allow nested structure for accordions #25121: Allow nested structure for accordions.
• Improve ESLint rules #25146: Improve ESLint rules.
• Multi accordion support + unit test #25161: Multiple accordion support.
• Check for window before window.QUnit #25199: Check for window before window.QUnit.

Docs

• Wall of Browser Bugs: Chrome SVG perf bug (#24673) #24751: Add Wall of Browser Bugs entry for Chrome SVG performance bug (Bootstrap's font-family style reduces SVG performance in Google Chrome #24673).
• Mixins form-control-focus and button-variant output invalid box-shadow value with shadows enabled #24821: Mixins form-control-focus and button-variant output invalid box-shadow value with shadows enabled.
• Examples updates #24898: Overhaul existing and add new examples.
• Add docs about active menu items (#24993) #24994: Add docs about active menu items.
• Update JS-powered buttons docs to include single button example #25071: Show JS button behaviors work on single buttons and button groups.
• Add examples of disabled tooltip and popover triggers #25095: Add examples of disabled tooltip and popover triggers.
• Wall of Browser Bugs: position:sticky support landed in MS Edge #25099: Wall of Browser Bugs: position:sticky support landed in MS Edge.
• Update Theming docs for removing map items #25108: Update Theming docs for removing map items.
• Add .modal-dialog-centered class to vertically centered modal example. #25111: Add .modal-dialog-centered class to vertically centered modal example.
• Apply #25068 to input group #25113: Update markup for new custom files in input groups.
• Updated docs for translating "Browse" text into other languages #25115: Updated docs for translating "Browse" text into other languages.
• Remove unnecessary align-middle class from Navbar docs #25116: Remove unnecessary align-middle class from Navbar docs.
• docs: fix double copy button. #25138: docs: fix double copy button.
• Move inline JS outside of HTML. #25140: Move inline JS outside of HTML.
• Overflow issue IE #25142: Fix overflow issue in IE.
• Validation tooltip example #25143: Add tooltip and valid feedback validation examples.
• Mention -file-text change in Migration docs #25144: Mention $custom-file-text change in Migration docs.
• Docs: Add positive border utilities #25148: Document border utilities.
• Remove incorrect roles from accordion, tweak/expand accessibility info, use buttons for accordion #25162: Remove incorrect roles from accordion, tweak/expand accessibility info, use buttons for accordion.
• Expand keyboard advice for tooltips, clarify what manual trigger does in table #25163: Expand keyboard advice for tooltips, clarify what manual trigger does in table.
• Add new Approach docs page #25165: Add new Approach docs page.
• Add some documentation on using CSS vars #25176: Add some documentation on using CSS variables to our Theming docs page.
• Update browser compatibility note for position: sticky (Edge supports it now) #25229: Update browser compatibility note for position: sticky since Edge supports it now.
• Invalid "constraint validation API" URL in docs #25244: Fix invalid "constraint validation API" URL in docs.
• Fix variable name in display utility class naming #25261: Fix variable name in display utility class naming.
• Use the SRI hashes for the live site's assets. #25282: Use the SRI hashes for the live site's assets.
• add List Group Flush to List Group docs #25289: Add .list-group-flush` to list group docs.
• Add example of a Spanish translation for custom file input #25302: Add example of a Spanish translation for custom file input.
• Mention .input-group-text in migration docs #25325: Mention .input-group-text in migration docs for Beta 3.
• Remove note about Opera 12 not supporting CSS3 animations #25355: Remove note about Opera 12 not supporting CSS3 animations.

Build

• Update devDependencies. #25083, Update devDependencies and gems. #25192: Update devDependencies and gems.
• Add docs-github-serve script for local serving the github target. #25139: Add docs-github-serve script for local serving the github target.

Meta

• Include JavaScript map files in NuGet packages. #25080: Include JavaScript map files in NuGet packages.