Update karma.conf.js

Use the recommended karma-browserstack-launcher settings

build/build-plugins.js: add missing catch (#30722)

scrollspy.js: remove temporary variable (#30724)

Clean up lint rules (#30721)

* Remove unneeded rule suppression
* Format tests/unit/.eslintrc.json
* build/.eslintrc.json: add strict for consistency

Update codeql.yml (#30719)

Remove `pull_request` event since it's not supported.

Update CSS variables docs to clarify usage and intent

Finish up creating your own components docs

Update function names in migration, clarify tints and shades are Sass variables

Remove mentions of Bootstrap 4 in a few places, replacing with updated guidance where appropriate

 search.js: make the check for URL stricter  (#30695)

v5: Unify spacing across components (#30564)

Co-Authored-By: Martijn Cuppens <martijn.cuppens@gmail.com>

Avoid bad scrollbar replacement into width values (#30690)

Remove borders from iframes by default (#30620)

[type=radio] should always be rounded (#30686)

Add a script to zip the built examples (#30130)

`<pre>`: Disable auto-hiding scrollbar in legacy Edge (#30685)

Disable auto-hiding scrollbar in legacy Edge to avoid overlap, making it impossible to interact with the content.

masthead-followup: Add missing traling slash (#30681)

Update codeql.yml (#30679)

* run the action on PRs too
* specify `javascript` language
* remove comments
* reindent

Move codeql.yml one dir up (#30677)

Add CodeQL Analysis workflow (#30676)

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Update config.yml (#30671)

Drop closest from SelectorEngine (#30653)

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

CI: remove no longer needed steps (#30674)

The latest `actions/setup-node` prints this info by default

Regenerate package-lock.json (#30673)

Bump find-unused-sass-variables from 1.0.5 to 2.0.0 (#30672)

Bumps [find-unused-sass-variables](https://github.com/XhmikosR/find-unused-sass-variables) from 1.0.5 to 2.0.0.
- [Release notes](https://github.com/XhmikosR/find-unused-sass-variables/releases)
- [Commits](https://github.com/XhmikosR/find-unused-sass-variables/compare/v1.0.5...v2.0.0)

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Bump eslint-plugin-unicorn from 18.0.1 to 19.0.1 (#30663)

* Bump eslint-plugin-unicorn from 18.0.1 to 19.0.1

Bumps [eslint-plugin-unicorn](https://github.com/sindresorhus/eslint-plugin-unicorn) from 18.0.1 to 19.0.1.
- [Release notes](https://github.com/sindresorhus/eslint-plugin-unicorn/releases)
- [Commits](https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v18.0.1...v19.0.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
* ESlint: disable a few new rules for now.

* unicorn/no-fn-reference-in-iterator
* unicorn/no-null

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Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Bump postcss-cli from 7.1.0 to 7.1.1 (#30670)

Bumps [postcss-cli](https://github.com/postcss/postcss-cli) from 7.1.0 to 7.1.1.
- [Release notes](https://github.com/postcss/postcss-cli/releases)
- [Changelog](https://github.com/postcss/postcss-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss-cli/compare/7.1.0...7.1.1)

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Bump hugo-bin from 0.57.0 to 0.57.2 (#30668)

Bumps [hugo-bin](https://github.com/fenneclab/hugo-bin) from 0.57.0 to 0.57.2.
- [Release notes](https://github.com/fenneclab/hugo-bin/releases)
- [Commits](https://github.com/fenneclab/hugo-bin/compare/v0.57.0...v0.57.2)

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Bump rollup from 2.6.1 to 2.7.3 (#30666)

Bumps [rollup](https://github.com/rollup/rollup) from 2.6.1 to 2.7.3.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v2.6.1...v2.7.3)

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Bump node-sass from 4.13.1 to 4.14.0 (#30667)

Bumps [node-sass](https://github.com/sass/node-sass) from 4.13.1 to 4.14.0.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/node-sass/compare/v4.13.1...v4.14.0)

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Bump terser from 4.6.11 to 4.6.12 (#30664)

Bumps [terser](https://github.com/terser/terser) from 4.6.11 to 4.6.12.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/compare/v4.6.11...v4.6.12)

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Bump shelljs from 0.8.3 to 0.8.4 (#30665)

Bumps [shelljs](https://github.com/shelljs/shelljs) from 0.8.3 to 0.8.4.
- [Release notes](https://github.com/shelljs/shelljs/releases)
- [Changelog](https://github.com/shelljs/shelljs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/shelljs/shelljs/compare/v0.8.3...v0.8.4)

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Prevent list group style leaks (#30660)

Fill in some unusedcss section links

Update CSS variables docs

- Rename available vars section to root vars and mention they're globally available
- Add new component vars section and link to table docs for WIP example

Include code snippet for lean JS section

Add example of a custom component using docs callouts

Update shortcode usage

wordsmithing

pull in latest from old theming page

Use scss-docs for color maps

Add more context to customizing components

Add overview intro to the Customize section

Rewrite Theming docs as Customize section

- Broke up existing theming page into separate pages
- Audited and updated each new docs page (some pages include some TBD sections)
- Update sidenav to reflect changes
- Fix links that pointed to the old Theming page
- Update docs styles to reflect recent changes
- Rewrite some bits in the Migration page

Create a new table shortcode so we can easily add Bootstrap table classes to Markdown tables

Rename variables for brevity

- Rename `$enable-prefers-reduced-motion-media-query` to `$enable-reduced-motion`
- Rename `$enable-pointer-cursor-for-buttons` to `$enable-button-pointers`

Remove existing Theming page as we build out a new Customize section

Remove caret element (#30633)

Update table docs copy

Co-Authored-By: Mark Otto <markd.otto@gmail.com>

Customizable table group seperator colors

Add bs prefix

Prevent nested tables style leaks

Bump karma from 5.0.1 to 5.0.2 (#30629)

Bumps [karma](https://github.com/karma-runner/karma) from 5.0.1 to 5.0.2.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma/compare/v5.0.1...v5.0.2)

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Bump stylelint from 13.3.2 to 13.3.3 (#30628)

Bumps [stylelint](https://github.com/stylelint/stylelint) from 13.3.2 to 13.3.3.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stylelint/stylelint/compare/13.3.2...13.3.3)

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Add `$form-text-font-weight` (#30617)

Drop `@support (position: sticky)` media query (#30415)

grid: checks for `$grid-columns > 0` (#30605)

Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

Remove negative margins leftovers (#30596)

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

feat: checks for `$grid-breakpoints` map list (#30609)

Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

Improve docs-sidebar.html (#30567)

Reduce the output HTML

Fix crash when pressing ArrowUp the first time

Replace event.delegateTarget with event.target

No need for fixEvent() anymore

Replace event.which with event.key and event.button

collapse: don't rely on implicit conversion (#30566)

`config` can be an `Object` and we only need to test for `hide` or `show` if it's a `String`

feat: checks for `$grid-row-columns` (#30606)

feat: removes `.form-text` display (#30598)

Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

Create config.yml

Add `bs-` prefixes to custom properties (#30591)

guuters.md: fix link and highlight (#30595)

Disable negative margins by default (#30585)

* Disable negative margins by default

* Use shorter enable variable

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

v5: Improve the responsiveness of our Dashboard example (#30573)

Cleans up some column classes to ensure things line up across all viewports. Also fixes some broken padding on the .navbar-brand.

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Slight adjustment to the h3 heading spacing in docs

v5: Update system font stack (#30561)

Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

Update release-drafter.yml

Update release-drafter.yml

Merge pull request #30460 from twbs/release-drafter

Add Release Drafter Action

Delete appearance from `button.close` (#30582)

Simplify checkbox & radio input (#30557)

- Define background properties in `.form-check-input`
- Use `background-size: contain` to simplify background sizes (especially for those with linear gradients)
- Remove double `color-adjust`
- Adjust svgs to 20x20 box. This way the strokes aren't rescaled.

Update RFS to 9.0.3 (#30581)

* Two dimensional fix - https://github.com/twbs/rfs/pull/225

Redo display headings (#30568)

- Convert to Sass map
- Consolidate font-weights into single option (matching line-height for them)
- Add two new sizes and create a new scale
- Update migration docs

Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

Restore `.form-text` (#30565)

Merge pull request #30354 from twbs/grid-xxl-and-sidebar-toc

v5: Add new `xxl` grid tier and move ToC to a sidebar

Merge branch 'master' into release-drafter

Update docs for new XXL grid tier

- Updates mentions of number and exact tiers
- Updates grid example to include xxl container
- Adds some scss-docs references
- Cleans up other grid mentions and docs
- Updates navbar example to include an expand at XXL variant

Clarify media query using .02px and bump from callout to warning

layout/z-index.md: retrieve z-index variables on build time

Update file size for the grid build

Rewrite grid docs to account for new grid tier

- Breaks grid content across multiple pages
- Updates mentions of grid tiers from five to six
- Rewrites how it works sections to reference new options and tiers

Move table of contents to new sidebar, restyle it to be simpler

Add an xxl grid tier

- Staring at my laptop, I realized I'm wasting away space. This adds a
significant amount of CSS, but it feels right already.
- Added the xxl tier with a width that divides by 12
- Motivation was originally trying to have a third column for our toc so
that our docs are more useful

Update devDependencies (#30544)

* @babel/plugin-proposal-object-rest-spread   ^7.9.0  →   ^7.9.5
* @babel/preset-env                           ^7.9.0  →   ^7.9.5
* @rollup/plugin-commonjs                    ^11.0.2  →  ^11.1.0
* @rollup/plugin-node-resolve                 ^7.1.1  →   ^7.1.3
* hugo-bin                                   ^0.56.3  →  ^0.57.0
* karma                                       ^4.4.1  →   ^5.0.1
* nodemon                                     ^2.0.2  →   ^2.0.3
* rollup                                      ^2.3.3  →   ^2.6.1
* stylelint                                  ^13.3.0  →  ^13.3.2
* terser                                     ^4.6.10  →  ^4.6.11

Use `box-shadow` mixin for `.btn` (#30512)

Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

Use `box-shadow` mixin for `.form-select` (#30555)

Use custom properties for font-stacks (#30509)

Remove redundant class and line height (#30542)

Pass multiple classes to `classList.add` / `classList.remove` (#30537)

This is supported by our currently supported browsers.

Add v4-dev in bundlewatch config. (#30541)

Add checkbox transition (#30528)

Replace bundlesize with bundlewatch. (#30538)

Fix spinner-grow animation (#30504)

* Fix spinner-grow animation

Safari seems to be interpreting the old keyframes animation as incomplete. Adding `transform` to the second frame seems to resolve the issue.

Co-Authored-By: Martijn Cuppens <martijn.cuppens@gmail.com>