## [5.20.2] - 2022-07-18
### Changed
* Core branch updated to v6.12.0
## [5.20.1] - 2022-07-06
### Changed
* Core branch updated to v6.11.0
### fixed
* Updated and added libraries (https://github.com/adaptlearning/adapt_framework/issues/3307)
## [5.20.0] - 2022-06-21
### Changed
* Core branch updated to v6.10.0
### Removed
* IE11 support (https://github.com/adaptlearning/adapt_framework/issues/3309)
### Added
* Ability to specify "course" directory (https://github.com/adaptlearning/adapt_framework/issues/3305)
## [5.19.6] - 2022-06-08
### Changed
* Core branch updated
## [5.19.5] - 2022-05-30
### Changed
* Core branch updated
* node modules updated (https://github.com/adaptlearning/adapt_framework/issues/3290)
* Bump grunt from 1.5.2 to 1.5.3 (https://github.com/adaptlearning/adapt_framework/pull/3304)
## [5.19.4] - 2022-05-23
### Changed
* Core branch updated
* Added missing assessment configurations (https://github.com/adaptlearning/adapt_framework/issues/3287)
## [5.19.3] - 2022-05-09
### Changed
* Core branch updated
## [5.19.2] - 2022-04-26
### Changed
* Core branch updated
## [5.19.1] - 2022-04-06
### Changed
* Core branch updated
* Highlight the Node requirements of the framework in the documentation (https://github.com/adaptlearning/adapt_framework/issues/3288)
* Bump minimist from 1.2.5 to 1.2.6 (https://github.com/adaptlearning/adapt_framework/pull/3286)
* Upgrade csv from 5.4.0 to 5.5.3 (https://github.com/adaptlearning/adapt_framework/pull/3272)
## [5.19.0] - 2022-03-14
### Changed
* Core branch updated
* Added --cachepath to grunt (Part of https://github.com/adaptlearning/adapt_framework/issues/3277)
* Fix for build.cachepath = null (Part of https://github.com/adaptlearning/adapt_framework/issues/3277)
## [5.18.8] - 2022-03-07
### Changed
* Core branch updated
## [5.18.7] - 2022-02-16
### Changed
* Core branch updated
## [5.18.6] - 2022-02-07
### Changed
* Core branch updated
## [5.18.5] - 2022-02-01
### Changed
* Core branch updated
## [5.18.4] - 2022-01-25
### Changed
* Core branch updated
## [5.18.3] - 2022-01-21
### Changed
* Core branch updated
* Default alt text updated (Part of https://github.com/adaptlearning/adapt_framework/issues/3171)
* Updated libraries (https://github.com/adaptlearning/adapt_framework/issues/3268)
## [5.18.2] - 2022-01-10
### Changed
* Core branch updated
## [5.18.1] - 2021-12-16
### Changed
* Core branch updated
## [5.18.0] - 2021-12-07
### Changed
* Core branch updated
* npm install on non-git src/core breaks (https://github.com/adaptlearning/adapt_framework/issues/3259)
* Better dev mode identification for client side (https://github.com/adaptlearning/adapt_framework/issues/3256)
## [5.17.7] - 2021-11-09
### Changed
* Core branch updated
## [5.17.6] - 2021-11-01
### Changed
* Issue with gitmodules.js path and branch (https://github.com/adaptlearning/adapt_framework/issues/3252)
## [5.17.5] - 2021-11-01
### Changed
* Core branch updated
## [5.17.4] - 2021-10-26
### Changed
* babel/core updated to 7.15.8 (https://github.com/adaptlearning/adapt_framework/issues/3251)
* Caniuse-lite out of date (https://github.com/adaptlearning/adapt_framework/issues/3251)
* Inherit link font size (https://github.com/adaptlearning/adapt_framework/issues/3243)
## [5.17.3] - 2021-10-22
### Changed
* Core branch updated (https://github.com/adaptlearning/adapt-contrib-core/issues/24)
## [5.17.2] - 2021-10-19
### Changed
* Core branch updated
## [5.17.1] - 2021-10-13
### Changed
* Core branch updated
## [5.17.0] - 2021-09-16
### Changed
* Move src/core to adapt-contrib-core (https://github.com/adaptlearning/adapt_framework/issues/3169)
* Allow ES to be published without support for IE11 (https://github.com/adaptlearning/adapt_framework/issues/3236)
### Fixed
* gitmodules.js fix for adapt-cli and adapt-contrib-core (https://github.com/adaptlearning/adapt_framework/issues/3232)
## [5.16.0] - 2021-08-23
### Added
* Support for authoring tool 1 (https://github.com/adaptlearning/adapt_framework/issues/2704)
## [5.15.5] - 2021-08-12
### Fixed
* Course would not load unless LanguagePicker extension was enabled ([#3224](https://github.com/adaptlearning/adapt_framework/issues/3224))
## [5.15.4] - 2021-08-09
### Fixed
* Bad `lang` param was loading course data twice ([#3220](https://github.com/adaptlearning/adapt_framework/issues/3220))
## [5.15.3] - 2021-08-06
### Fixed
* Libraries compilation bug ([#3208](https://github.com/adaptlearning/adapt_framework/issues/3208))
* Scroll on reset click ([#3211](https://github.com/adaptlearning/adapt_framework/issues/3211))
* `lang` param not bypassing Language Picker selection view ([#3218](https://github.com/adaptlearning/adapt_framework/issues/3218))
## [5.15.2] - 2021-07-07
### Fixed
* Scoring API missing `.model` on line 465 creating error ([#3195](https://github.com/adaptlearning/adapt_framework/issues/3195))
## [5.15.1] - 2021-07-06
### Fixed
* UMD module fixes broke nested require statements ([#3188](https://github.com/adaptlearning/adapt_framework/issues/3188))
## [5.15.0] - 2021-07-05
### Added
* Partly correct answer options and any correct answer option ([#3148](https://github.com/adaptlearning/adapt_framework/issues/3148))
* Scoring API ([#3163](https://github.com/adaptlearning/adapt_framework/issues/3163))
* Allow parse of @menu @page @article without offsets ([#3175](https://github.com/adaptlearning/adapt_framework/pull/3175))
### Changed
* Grunt: better cache invalidation on remove files ([#3184](https://github.com/adaptlearning/adapt_framework/issues/3184))
### Fixed
* Locking doesn't account for optional models ([#1486](https://github.com/adaptlearning/adapt_framework/issues/1486))
* Grunt: JavaScript newer config ignores JSX files ([#3173](https://github.com/adaptlearning/adapt_framework/issues/3173))
* Touch events broken ([#3178](https://github.com/adaptlearning/adapt_framework/issues/3178))
* typeof undefined with UMD modules ([#3180](https://github.com/adaptlearning/adapt_framework/issues/3180))
## [5.14.0] - 2021-06-15
### Added
* Libraries: allow switching between development and production versions ([#3151](https://github.com/adaptlearning/adapt_framework/issues/3151))
### Fixed
* Allow pure React components as Adapt components ([#3105](https://github.com/adaptlearning/adapt_framework/issues/3105))
* Headings lose focus if completed with focus ([#3132](https://github.com/adaptlearning/adapt_framework/issues/3132))
* Grunt doesn't warn of empty parents ([#3134](https://github.com/adaptlearning/adapt_framework/issues/3134))
* Underscore security warning ([#3141](https://github.com/adaptlearning/adapt_framework/issues/3141))
* Field inputs not associated with question ([#3142](https://github.com/adaptlearning/adapt_framework/issues/3142))
## [5.13.0] - 2021-04-22
### Added
* Option to set the course language and text direction using query string parameters `lang` and `dir` ([#3086](https://github.com/adaptlearning/adapt_framework/pull/3086))
* API for Framework & Plugin version detection ([#3121](https://github.com/adaptlearning/adapt_framework/issues/3121))
### Fixed
* Device size and orientation classes could be set incorrectly in multilanguage courses ([#3116](https://github.com/adaptlearning/adapt_framework/issues/3116))
* The Grunt JavaScript task not exiting properly on error ([#3123](https://github.com/adaptlearning/adapt_framework/issues/3123))
* The Grunt task to import translated JSON files not working ([#3126](https://github.com/adaptlearning/adapt_framework/issues/3126))
## [5.12.2] - 2021-04-08
### Changed
* Switched from (deprecated) Babel polyfill to [core-js@3](https://github.com/zloirock/core-js) ([#3113](https://github.com/adaptlearning/adapt_framework/issues/3113))
### Fixed
* Drawer animation duration couldn't be set to `0` ([#3108](https://github.com/adaptlearning/adapt_framework/issues/3108))
* Switching languages causing the start page to be redisplayed ([#3111](https://github.com/adaptlearning/adapt_framework/issues/3111))
## [5.12.1] - 2021-03-24
### Fixed
* Poor wording of Narrative mobile instruction in the 'default course' content ([#3077](https://github.com/adaptlearning/adapt_framework/issues/3077))
* Various issues caused by including the React libraries from `node_modules` rather than loading them as standard libraries ([#3080](https://github.com/adaptlearning/adapt_framework/issues/3080))
* AAT preview hanging due to unhandled `promise` rejections in the Grunt tasks ([#3084](https://github.com/adaptlearning/adapt_framework/issues/3084))
* `ItemsQuestionModel` triggering a Handlebars error if the new 'ARIA answer' globals weren't defined for components (such as MCQ & GMCQ) that used/extended that model ([#3089](https://github.com/adaptlearning/adapt_framework/issues/3089))
* The marking icon in `buttons.hbs` receiving focus when the course was accessed with a screen reader ([#3092](https://github.com/adaptlearning/adapt_framework/issues/3092))
* `u-clearfix` being read out as 'blank blank' by screen readers ([#3094](https://github.com/adaptlearning/adapt_framework/issues/3094))
* Some buttons with `aria-disabled` attribute could still be clicked ([#3097](https://github.com/adaptlearning/adapt_framework/issues/3097))
* `inview` not measuring out-of-bounds correctly ([#3098](https://github.com/adaptlearning/adapt_framework/issues/3098))
* In multilanguage courses, the accessibility API wasn't starting until after the learner had selected a language ([#3097](https://github.com/adaptlearning/adapt_framework/issues/3097) & [#3101](https://github.com/adaptlearning/adapt_framework/issues/3101))
## [5.12.0] - 2021-03-17
### Added
* Support for keyboard/screen reader accessibility for the correct answer toggle button (Part of [#2942](https://github.com/adaptlearning/adapt_framework/issues/2942))
* Support for React JSX templates (Part of [#2944](https://github.com/adaptlearning/adapt_framework/issues/2944))
### Changed
* The 'skip navigation' button now becomes visible when it has focus ([#3040](https://github.com/adaptlearning/adapt_framework/issues/3040))
* Less errors are now written to `stderr` to enable reliable error handling in the AAT ([#3066](https://github.com/adaptlearning/adapt_framework/issues/3066))
### Fixed
* Screen readers reading out 'blank' at the top of the screen after nagivating through the page ([#3057](https://github.com/adaptlearning/adapt_framework/issues/3057))
* History state issue when routing is prevented by plugins like [pageIncompletePrompt](https://github.com/cgkineo/adapt-pageIncompletePrompt) ([#3061](https://github.com/adaptlearning/adapt_framework/issues/3061))
* Error 'exception thrown but not caught' in IE11 whenever clicking on the page ([#3064](https://github.com/adaptlearning/adapt_framework/issues/3064))
* The `tracking-remove` task wouldn't run if the [Spoor plugin](https://github.com/adaptlearning/adapt-contrib-spoor) was not installed ([#3068](https://github.com/adaptlearning/adapt_framework/issues/3068))
* Odd scrolling behaviour when clicking on any Drawer item that caused Adapt to scroll to an element ([#3074](https://github.com/adaptlearning/adapt_framework/issues/3074))
## [5.11.0] - 2021-02-26
### Added
* A method of identifying models based upon the course's `_trackingId` properties, regardless of whether they are located on blocks or components (Part of [#2805](https://github.com/adaptlearning/adapt_framework/issues/2805))
### Changed
* ESLint configuration amended to allow for ES2020 features such as [optional chaining](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining) and [nullish coalescing](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator); implemented these new features where useful ([#3035](https://github.com/adaptlearning/adapt_framework/issues/3035))
### Fixed
* Overzealous filter in `Adapt.findRelativeModel` ([#3031](https://github.com/adaptlearning/adapt_framework/issues/3031))
* Focus on click was focusing on last parent not first parent ([#3038](https://github.com/adaptlearning/adapt_framework/issues/3038))
* The `"postRender"` event of each view was being triggered before the view's children had been rendered ([#3045](https://github.com/adaptlearning/adapt_framework/issues/3045))
## [5.10.1] - 2021-02-03
### Fixed
* Accessibility focus bug ([#3022](https://github.com/adaptlearning/adapt_framework/issues/3022))
## [5.10.0] - 2021-01-18
### Changed
* Converted core code from AMD-style module defintions to ES6 modules and (where appropriate) classes ([#2999](https://github.com/adaptlearning/adapt_framework/issues/2999))
* Javascript was being run in [strict mode](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode) with no way to turn that off should it cause issues with 3rd party plugins. For AAT courses 'strict mode' is no longer enabled; for Framework courses it is now enabled only when `build.strictMode:true` in *config.json*. ([#3017](https://github.com/adaptlearning/adapt_framework/issues/3017))
### Fixed
* Reset on revisit wasn't able to complete before page render ([#3014](https://github.com/adaptlearning/adapt_framework/issues/3014))
## [5.9.0] - 2021-01-07
### Changed
* The `grunt compress` command now operates on images in `src/course/` by default ([#3004](https://github.com/adaptlearning/adapt_framework/issues/3004))
### Fixed
* Disabled buttons were still clickable if accessibility support had been switched off ([#3007](https://github.com/adaptlearning/adapt_framework/issues/3007))
* Failure to install dependencies of `imagemin-jpegtran` / `imagemin-pngquant` on some platforms was causing the entire `npm install` process to halt ([#3002](https://github.com/adaptlearning/adapt_framework/issues/3002))
## [5.8.1] - 2020-12-18
### Fixed
* CommonJS `require` calls not working ([#2997](https://github.com/adaptlearning/adapt_framework/issues/2997))
## [5.8.0] - 2020-12-08
### Added
* Rollup as the module bundler (replacing requirejs) ([#2824](https://github.com/adaptlearning/adapt_framework/issues/2824) & [#2923](https://github.com/adaptlearning/adapt_framework/pull/2923))
### Changed
* The `grunt build` command now deletes the `.cache` file from the build folder ([#2975](https://github.com/adaptlearning/adapt_framework/issues/2975))
* Improved Authoring Tool 'help text' for content object graphic alt text ([#2939](https://github.com/adaptlearning/adapt_framework/issues/2939))
### Fixed
* Value of `_isResetOnRevisit` not being converted from `String` to `Boolean` ([#2825](https://github.com/adaptlearning/adapt_framework/issues/2825) - originally thought fixed in release [5.6.1] but turns out it wasn't)
* HotGraphic component duplicated after window resize ([#2938](https://github.com/adaptlearning/adapt_framework/issues/2938))
* Disabled submit button not visible to assistive technology ([#2950](https://github.com/adaptlearning/adapt_framework/issues/2950))
* The `--port` switch for the `grunt server` command not working ([#2954](https://github.com/adaptlearning/adapt_framework/issues/2954))
* Typo in icons.less ([#2959](https://github.com/adaptlearning/adapt_framework/issues/2959))
* Adapt not restoring learners' answers to questions following a change of language ([#2977](https://github.com/adaptlearning/adapt_framework/issues/2977))
### Removed
* `Adapt.mapById` ([#2908](https://github.com/adaptlearning/adapt_framework/issues/2908))
* The `Adapt.wait` flush that was added in [#2439](https://github.com/adaptlearning/adapt_framework/issues/2439) ([#2743](https://github.com/adaptlearning/adapt_framework/issues/2743))
* Entry for `_isTextProcessorEnabled` from config.model.schema ([#2952](https://github.com/adaptlearning/adapt_framework/issues/2952))
* All instances of "Placeholder graphic" alt text from the 'out of the box' course content ([#2939](https://github.com/adaptlearning/adapt_framework/issues/2939))
## [5.7.1] - 2020-10-09
### Fixed
* Page Level Progress indicators disrupting container outlines in Firefox - now fixed for article/block/page level indicators as well ([#2619](https://github.com/adaptlearning/adapt_framework/issues/2619))
* `Adapt.navigateToElement('.pageId')` errors ([#2901](https://github.com/adaptlearning/adapt_framework/issues/2901))
* `"view:requestChild"` event life-cycle never closes ([#2903](https://github.com/adaptlearning/adapt_framework/issues/2903))
* Switching language forces the 'start page' config to be enabled ([#2907](https://github.com/adaptlearning/adapt_framework/issues/2907))
* Firefox display of `*-title-inner` elements when using outline ([#2912](https://github.com/adaptlearning/adapt_framework/issues/2912))
* IE11 broken display of .svg in `` ([#2916](https://github.com/adaptlearning/adapt_framework/issues/2916))
* `Adapt.scrollTo` assumes the selector parameter will always refer to an 'Adapt Element' ([#2928](https://github.com/adaptlearning/adapt_framework/issues/2928))
### Changed
* General clean up of Less code ([#2891](https://github.com/adaptlearning/adapt_framework/issues/2891))
## [5.7.0] - 2020-08-25
### Added
* New `AttemptStates` API ([#2747](https://github.com/adaptlearning/adapt_framework/issues/2747))
* A `save` method to the `offlineStorage` API ([#2754](https://github.com/adaptlearning/adapt_framework/issues/2754))
* New `DeepClone` API ([#2758](https://github.com/adaptlearning/adapt_framework/issues/2758))
* New `ChildViews` API for rendering control ([#2760](https://github.com/adaptlearning/adapt_framework/issues/2760))
* Option to track content at component level instead of block level ([#2805](https://github.com/adaptlearning/adapt_framework/issues/2805)). Note: requires [v3.5.0 of the Spoor plugin](https://github.com/adaptlearning/adapt-contrib-spoor/releases/tag/v3.5.0).
* Ability to exclude plugins from a 'production' build ([#2836](https://github.com/adaptlearning/adapt_framework/issues/2836))
* Image compression via new `grunt compress` command ([#2866](https://github.com/adaptlearning/adapt_framework/issues/2866))
* Ability to have the state of presentation components saved between sessions ([#2845](https://github.com/adaptlearning/adapt_framework/issues/2845)). Note: requires [v3.5.0 of the Spoor plugin](https://github.com/adaptlearning/adapt-contrib-spoor/releases/tag/v3.5.0).
### Changed
* Underscore library updated to v1.10.2 ([#2773](https://github.com/adaptlearning/adapt_framework/issues/2773))
* Submit button is now disabled until the learner makes a selection ([#2812](https://github.com/adaptlearning/adapt_framework/issues/2812)). Note: If you prefer the old behaviour, you can use the [instructionError plugin](https://github.com/adaptlearning/adapt-contrib-instructionError) to restore it.
* Amended authoring tool schema defaults so that articles and blocks have no display title set automatically ([#2833](https://github.com/adaptlearning/adapt_framework/issues/2833))
* Lodash dependency changed to v4.17.19 ([#2838](https://github.com/adaptlearning/adapt_framework/pull/2838))
* Amended `setupInviewCompletion` to use default parameter ([2839](https://github.com/adaptlearning/adapt_framework/issues/2839))
* Improvements to Notify's `subview` handling ([#2847](https://github.com/adaptlearning/adapt_framework/issues/2847))
* Load Underscore as a UMD module ([#2861](https://github.com/adaptlearning/adapt_framework/issues/2861))
* Turn off deprecation for the `contentObjects`, `articles`, `blocks` and `components` collections ([#2859](https://github.com/adaptlearning/adapt_framework/issues/2859))
### Fixed
* Ensure that in the 'default course' all components have `_pageLevelProgress._isCompletionIndicatorEnabled` set ([#2841](https://github.com/adaptlearning/adapt_framework/issues/2841))
* `JQuery.offset` returning incorrect values when `_scrollingContainer` enabled ([#2849](https://github.com/adaptlearning/adapt_framework/issues/2849))
* Bug in `DrawerView` that was causing a runtime error for some plugins ([#2851](https://github.com/adaptlearning/adapt_framework/issues/2851))
* `grunt build` failing when used with the `languages` switch ([#2875](https://github.com/adaptlearning/adapt_framework/issues/2875))
* Issue with CSV delimiter detection when using `grunt translate:import` ([#2853](https://github.com/adaptlearning/adapt_framework/issues/2853))
* `Notify` popup causing scroll to jump to top of page in Firefox ([#2886](https://github.com/adaptlearning/adapt_framework/issues/2886))
* View-only question components defaulting to `ComponentModel` not `QuestionModel` ([#2884](https://github.com/adaptlearning/adapt_framework/issues/2884))
## [5.6.1] - 2020-07-07
#### Fixed
* Further issues found on [#2796](https://github.com/adaptlearning/adapt_framework/issues/2796)
* Zoom not working on Chrome for Android ([#2800](https://github.com/adaptlearning/adapt_framework/issues/2800))
* Default course assessment page trickle button labels not well labelled ([#2803](https://github.com/adaptlearning/adapt_framework/issues/2803))
* Graphic and pageLevelProgress templates not allowing for HTML entities in `aria-label` attribute ([#2807](https://github.com/adaptlearning/adapt_framework/issues/2807))
* Babel fast-async causing very slow compilation ([#2816](https://github.com/adaptlearning/adapt_framework/issues/2816))
* Value of `_isResetOnRevisit` not being converted from `String` to `Boolean` ([#2825](https://github.com/adaptlearning/adapt_framework/issues/2825))
## [5.6.0] - 2020-06-17
#### Fixed
* Decontaminated `toJSON` functions ([#2745](https://github.com/adaptlearning/adapt_framework/issues/2745))
* Display marking only on final question attempts ([#2796](https://github.com/adaptlearning/adapt_framework/issues/2796))
* Allow notify view to accept DOM attributes ([#2785](https://github.com/adaptlearning/adapt_framework/issues/2785))
* jQuery `resize` timeout bug ([#2782](https://github.com/adaptlearning/adapt_framework/issues/2782))
#### Added
* Menu group ARIA level (Part of [#2702](https://github.com/adaptlearning/adapt_framework/issues/2702))
* AdaptModel `setChildren` and `setParent` functions ([#2745](https://github.com/adaptlearning/adapt_framework/issues/2745))
## [5.5.1] - 2020-06-08
### Fixed
* Backward compatibility for view-only components ([#2787](https://github.com/adaptlearning/adapt_framework/issues/2787))
## [5.5.0] - 2020-05-18
#### Added
* `none` helper ([#2764](https://github.com/adaptlearning/adapt_framework/issues/2764))
* Data manifests ([#2645](https://github.com/adaptlearning/adapt_framework/issues/2645))
* `Adapt.store` to decouple the core models and views ([#2714](https://github.com/adaptlearning/adapt_framework/issues/2714))
#### Changed
* Simplified router ([#2712](https://github.com/adaptlearning/adapt_framework/issues/2712))
* Converted a lot more of the core to ES6-8 ([#2709](https://github.com/adaptlearning/adapt_framework/issues/2709))
For a more detailed overview of the changes see ([#2711](https://github.com/adaptlearning/adapt_framework/pull/2711))
## [5.4.0] - 2020-05-12
### Added
- Adapt events `template:preRender`, `template:postRender`, `partial:preRender`, `partial:postRender` ([#2734](https://github.com/adaptlearning/adapt_framework/issues/2734))
- Img tag loading fix ([#2734](https://github.com/adaptlearning/adapt_framework/issues/2734))
### Changed
- Updated jQuery to v3.5.0 ([#2725](https://github.com/adaptlearning/adapt_framework/issues/2725))
- Improved `grunt translate:import` task ([#2736](https://github.com/adaptlearning/adapt_framework/issues/2736))
### Fixed
- The settings `_isResetOnRevisit` and `_requireCompletionOf` were not available in the AAT ([#1912](https://github.com/adaptlearning/adapt_framework/issues/1912) & [#2639](https://github.com/adaptlearning/adapt_framework/issues/2639))
- Arrow function and async/await debugging ([#2733](https://github.com/adaptlearning/adapt_framework/issues/2733))
- Not all course content being exported by the `grunt translate` task ([#2721](https://github.com/adaptlearning/adapt_framework/issues/2721))
## [5.3.0] - 2020-03-26
### Added
- `Adapt.log.removed` and `Adapt.log.deprecated` ([#2678](https://github.com/adaptlearning/adapt_framework/issues/2678))
- ES6-8 support ([#2647](https://github.com/adaptlearning/adapt_framework/issues/2647))
- ES6 class static inheritance to `Backbone` ([#2697](https://github.com/adaptlearning/adapt_framework/issues/2697))
### Changed
- Exposed router controller at `Adapt.router` ([#2677](https://github.com/adaptlearning/adapt_framework/issues/2677))
- Moved navigation button event handlers to `NavigationView` ([#2669](https://github.com/adaptlearning/adapt_framework/issues/2669))
- Converted some models, views and controllers to ES6 ([#2647](https://github.com/adaptlearning/adapt_framework/issues/2647))
- `CourseModel` now inherits from `MenuModel` ([#2647](https://github.com/adaptlearning/adapt_framework/pull/2648#issuecomment-595824424))
- Formalized plugin, data, schema and translate API ([#2662](https://github.com/adaptlearning/adapt_framework/issues/2662))
- Refreshed existing and added new icons to the vanilla font set ([#2688](https://github.com/adaptlearning/adapt_framework/issues/2688))
## [5.2.0] - 2020-03-09
### Added
- Code 'linting' support via ESLint ([#2377](https://github.com/adaptlearning/adapt_framework/issues/2377))
- 'Return to start location' feature to Start Controller ([#2541](https://github.com/adaptlearning/adapt_framework/issues/2541))
- Event bubbling for the `change:_isActive` event ([#2649](https://github.com/adaptlearning/adapt_framework/issues/2649))
- Component padding LESS variable ([#2676](https://github.com/adaptlearning/adapt_framework/issues/2676))
### Changed
- Drawer scrolling behaviour for better support for long lists of items ([#2498](https://github.com/adaptlearning/adapt_framework/issues/2498))
### Fixed
- Locking checks were not being performed on contentObjects that are descendants of contentObjects ([#2469](https://github.com/adaptlearning/adapt_framework/issues/2469))
- Page Level Progress indicators disrupting container outlines in Firefox ([#2619](https://github.com/adaptlearning/adapt_framework/issues/2619))
- `imageReady` error in IE 11 when SVG images used ([#2625](https://github.com/adaptlearning/adapt_framework/issues/2625))
- visual bug with questions with marking but no feedback ([#2627](https://github.com/adaptlearning/adapt_framework/issues/2627))
- Notify 'push' styles missing ([#2640](https://github.com/adaptlearning/adapt_framework/issues/2640))
- Error 'tslib not found' preventing LESS from being compiled ([#2642](https://github.com/adaptlearning/adapt_framework/issues/2642))
- Menu item titles not being read out by assistive technology ([#2680](https://github.com/adaptlearning/adapt_framework/issues/2680))
### Removed
- Grunt task `create-json-config` - it isn't needed any more ([#2660](https://github.com/adaptlearning/adapt_framework/issues/2660))
## [5.1.0] - 2019-12-11
### Added
- Classes to question components to indicate when the settings 'show model answer', 'show feedback' or 'show marking' are enabled ([#2606](https://github.com/adaptlearning/adapt_framework/issues/2606))
### Changed
- Framework 'example course' content now set to:
* Always show media player controls (for better accessibility)
* Toggle captions on/off (rather than show language popup) when the 'cc' button in the media component is selected
* show 'native controls' for the media component on iOS/iPadOS/Android ([#2477](https://github.com/adaptlearning/adapt_framework/issues/2477))
### Fixed
- Media component showing two sets of controls and captions when exiting full-screen mode on iOS ([#2477](https://github.com/adaptlearning/adapt_framework/issues/2477))
- Hot graphic popup not re-centering vertically when 'paging' between items ([#2580](https://github.com/adaptlearning/adapt_framework/issues/2580))
- Blank component not triggering `inview` ([#2595](https://github.com/adaptlearning/adapt_framework/issues/2595))
## [5.0.0] - 2019-11-21
### Added
- Added `normalize.css`
- Added subtitle property to page (and menu) hbs and schema
- Utilised `_onScreen` property to set up standard animation that can be added to components, blocks, articles, and contentObjects
- Added instruction field to course schema
- Added `screenSize` support for rem's and px's - required for conversion to REM when upgrading the Authoring Tool
- Added wait queue to `menuView` and `pageView` render
- Added `.is-optional` class to all views
### Changed
- Updated HTML naming convention to adhere to BEM
- Adopted relative unit measurement (rem) instead of fixed (px)
- Updated CSS to use a SMACSS approach
- All components will render their classes in lowercase
- Articles, blocks, and components all render into their respective containers
- Changed how icons are applied to elements
- `.navigation` class changed to `.nav`
- Loading changed to CSS animation
- Split `menuItemView` into new file
- Split `drawerItemView` into new file
- Changed LESS folder structure
- Updated heading aria label to use title property
- Changed `_htmlClassName` to `_htmlClasses` ([#2392](https://github.com/adaptlearning/adapt_framework/issues/2392))
- Amended viewport meta tag (https://github.com/adaptlearning/adapt_framework/pull/2569)
- Indentation amended to use 2 spaces instead of 4
### Fixed
- Drawer no longer renders two `role='list'` attributes
### Removed
- Deprecated functionality ([#2329](https://github.com/adaptlearning/adapt_framework/issues/2329))
## [4.4.1] - 2019-11-06
### Fixed
- Course not loading in IE11 due to missing `function` keyword in accessibility library ([#2570](https://github.com/adaptlearning/adapt_framework/issues/2570))
## [4.4.0] - 2019-10-30
### Added
- new accessibility API ([#2449](https://github.com/adaptlearning/adapt_framework/issues/2449))
- new Notify API ([#2532](https://github.com/adaptlearning/adapt_framework/issues/2532))
- Loading enhancements to allow extensions to halt execution until loaded and to stop `inview` from processing until page ready ([#2558](https://github.com/adaptlearning/adapt_framework/issues/2558))
- Handlebars helper (`a11y_alt_text`) to allow the screenreader to read out a 'screen reader friendly' alternative to the on-screen text ([#2553](https://github.com/adaptlearning/adapt_framework/issues/2553))
### Changed
- Re-write and tidy up of Adapt's 'entry point' code ([#2436](https://github.com/adaptlearning/adapt_framework/issues/2436))
- The browser's 'focus outline' is now hidden by default, unless the learner presses a key associated with keyboard/screen reader accessibility (part of [#2449](https://github.com/adaptlearning/adapt_framework/issues/2449))
- Re-organise some core files to align with the structure used by plugins ([#2472](https://github.com/adaptlearning/adapt_framework/issues/2472))
- Improvements to help text ([#2552](https://github.com/adaptlearning/adapt_framework/pull/2552))
### Fixed
- Handlebars npm module v4.3.x update prevented newly-created Adapt courses from running ([#2524](https://github.com/adaptlearning/adapt_framework/issues/2524))
- Adapt could fail to load if a question component didn't have any items defined ([#2546](https://github.com/adaptlearning/adapt_framework/issues/2546))
- HTML formatting in titles being read out by screen readers ([#2549](https://github.com/adaptlearning/adapt_framework/issues/2549))
- `AdaptModel.findRelativeModel` not working correctly when searching for descendants ([#2563](https://github.com/adaptlearning/adapt_framework/issues/2563))
## [4.3.0] - 2019-08-14
### Added
- Ability for pages/menus to define a class that will be applied to the `` element whenver that page/menu is active ([#2392](https://github.com/adaptlearning/adapt_framework/issues/2392))
- Store for the page's View references, along with functions `Adapt.findViewByModelId`, `View.findDescendantViews` & `View.getChildViews` ([#2395](https://github.com/adaptlearning/adapt_framework/issues/2395))
- A timeout to the `Adapt.wait` API ([#2439](https://github.com/adaptlearning/adapt_framework/issues/2439))
- Notify heading aria-level can now be set via config.json ([#2486](https://github.com/adaptlearning/adapt_framework/issues/2486))
### Fixed
- RTL layout issues ([#2389](https://github.com/adaptlearning/adapt_framework/issues/2389))
- Inheritance bug broke `ItemsComponentModel` chain ([#2415](https://github.com/adaptlearning/adapt_framework/issues/2415))
- Trickle flicker in IE11 ([#2423](https://github.com/adaptlearning/adapt_framework/issues/2423))
- Bug in Chrome where the page could still be scrolled whilst a popup or the drawer were open ([#2440](https://github.com/adaptlearning/adapt_framework/issues/2440))
- Grunt build/dev not picking up on changes to some files & was copying files that hadn't been changed ([#2441](https://github.com/adaptlearning/adapt_framework/issues/2441))
- Setting `_isResetOnRevisit` to `'soft'` prevented questions from being answered ([#2474](https://github.com/adaptlearning/adapt_framework/issues/2474))
- JQuery `offset` override wasn't allowing coordinates to be set ([#2484](https://github.com/adaptlearning/adapt_framework/issues/2484))
- Including an Accordion component with no items prevented the course from rendering ([#2480](https://github.com/adaptlearning/adapt_framework/issues/2480))
- Less files were not being imported in the correct order ([#2487](https://github.com/adaptlearning/adapt_framework/issues/2487))
### Removed
- Class `a11y-ignore` from the 'skip navigation' button ([#2420](https://github.com/adaptlearning/adapt_framework/issues/2420))
## [4.2.0] - 2019-05-02
### Added
- Support for sharing courses with specific users ([#2345](https://github.com/adaptlearning/adapt_framework/issues/2345))
- Support for authoring tool theme editor ([#2360](https://github.com/adaptlearning/adapt_framework/issues/2360))
**Note: if using the authoring tool, this release requires you to be running version 0.8 or higher**
## [4.1.1] - 2019-04-09
### Fixed
- Incorrect "Unknown" lesson status when completing assessment and course in different attempts ([#2398](https://github.com/adaptlearning/adapt_framework/issues/2398))
## [4.1.0] - 2019-03-21
### Added
- Model event bubbling system ([#2314](https://github.com/adaptlearning/adapt_framework/issues/2314))
### Fixed
- Use of the Language Picker extension prevented the course completion criteria from being read in ([#2386](https://github.com/adaptlearning/adapt_framework/issues/2386))
- Question components that used `ItemsQuestionModel` weren't correctly restoring user answers or marking ([#2379](https://github.com/adaptlearning/adapt_framework/issues/2379))
### Changed
- default value of `_accessibility._isEnabled` amended to `true` in config.model.schema ([#2374](https://github.com/adaptlearning/adapt_framework/issues/2374))
## [4.0.1] - 2019-01-31
### Fixed
- Helper expecting missing object ([#2339](https://github.com/adaptlearning/adapt_framework/pull/2339))
- Support for custom 'manifest identifier' in Spoor ([#2232](https://github.com/adaptlearning/adapt_framework/pull/2332))
## [4.0.0] - 2019-01-22
### Added
- Shim to ensure the new 'manifest identifier' property is set even if not defined in config.json ([#2232](https://github.com/adaptlearning/adapt_framework/pull/2332) and [#2247](https://github.com/adaptlearning/adapt_framework/issues/2247))
- new `_scrollingContainer` setting to allow for better rendering/scrolling of Adapt when loaded into an `iframe` ([#505](https://github.com/adaptlearning/adapt_framework/issues/585) & [#751](https://github.com/adaptlearning/adapt_framework/issues/751))
### Changed
- Updates to Accessibility - for a complete list of changes see the [Accessibility v4 Milestone](https://github.com/adaptlearning/adapt_framework/milestone/17?closed=1)
### Fixed
- Notify styling issue ([#2308](https://github.com/adaptlearning/adapt_framework/issues/2308))
- Framework schemas not aligned with authoring tool versions ([#2306](https://github.com/adaptlearning/adapt_framework/issues/2306))
## [3.4.0] - 2019-01-18
### Added
- Support for translatable content in config.json to the `translate:import` task ([#2300](https://github.com/adaptlearning/adapt_framework/issues/2300))
- Ability to insert variables into HTML files during build/dev process ([#2317](https://github.com/adaptlearning/adapt_framework/pull/2317))
### Changed
- Future-proof schema files for Authoring Tool compatibility ([#2306](https://github.com/adaptlearning/adapt_framework/issues/2306))
### Fixed
- Typo in accessibility instructions ([#2320](https://github.com/adaptlearning/adapt_framework/issues/2320))
- Reference to 'Version 2.0 core bundle' in the default course content
## [3.3.0] - 2018-11-30
### Added
- Implemented 'complete on inview' functionality in ComponentView so that plugins can use this rather than having to have their own implementations ([#2269](https://github.com/adaptlearning/adapt_framework/issues/2269))
### Changed
- Amended NotifyView to get it to pass a reference to itself when triggering `notify:*` events ([#2279](https://github.com/adaptlearning/adapt_framework/issues/2279))
### Fixed
- AdaptModel's `findAncestor` triggered a `TypeError` if no ancestor of the specified type was found ([#2240](https://github.com/adaptlearning/adapt_framework/issues/2240))
- Schema defaults were not being written to `build/{lang}/course/course.json` ([#2248](https://github.com/adaptlearning/adapt_framework/issues/2248))
## [3.2.2] - 2018-10-15
### Fixed
- The 'component not found' error can be quite misleading ([#2142](https://github.com/adaptlearning/adapt_framework/issues/2142))
- On feedback popup open, background content is scrollable on Android ([#2154](https://github.com/adaptlearning/adapt_framework/issues/2154))
- The `findDescendantModels` function throwing error when there's no defined `_children` type ([#2180](https://github.com/adaptlearning/adapt_framework/issues/2180))
- Unnecessary Grunt process ([#2224](https://github.com/adaptlearning/adapt_framework/issues/2224))
- Accessibility library causing elements to scroll into view unnecessarily ([#2228](https://github.com/adaptlearning/adapt_framework/issues/2228))
### Changed
- Refactor of feedback code in questionModel ([#2208](https://github.com/adaptlearning/adapt_framework/pull/2208))
## [3.2.1] - 2018-08-23
### Fixed
- Corrected issue with drawer button when the drawer only contains one item ([#2217](https://github.com/adaptlearning/adapt_framework/issues/2217))
- Bug where `pageBody` was only output in Handlebars template if `body` was also set ([#2178](https://github.com/adaptlearning/adapt_framework/issues/2178))
- Corrected bug in Grunt scripts.js task: Added `process.cwd()` to correct an issue with running post build scripts, e.g. as used in adapt-contrib-xapi. ([#2212](https://github.com/adaptlearning/adapt_framework/issues/2212))
- Corrected issue with Grunt task reverting device size defaults ([#2153](https://github.com/adaptlearning/adapt_framework/issues/2153))
### Changed
- Updated Underscore JS library to v1.9.1 ([#2047](https://github.com/adaptlearning/adapt_framework/issues/2047))
- Removed the list of contributors from package.json ([#2214](https://github.com/adaptlearning/adapt_framework/issues/2214))
## [3.2.0] - 2018-06-28
### Added
- Framework version is now exposed in the DOM as a `data` attribute of the `` element ([#2143](https://github.com/adaptlearning/adapt_framework/issues/2143))
- New `Adapt.getViewClass` function to allow a component view to be fetched from the `componentStore` in a consistent manner ([#2073](https://github.com/adaptlearning/adapt_framework/issues/2073))
- Ability to easily filter the results of `findDescendantModels` ([#2058](https://github.com/adaptlearning/adapt_framework/issues/2058))
### Fixed
- A backwards-compatibility issue with `ItemsComponentModel` ([#2071](https://github.com/adaptlearning/adapt_framework/issues/2071))
- Components that implement `mobileInstruction` wouldn't display it if the standard `instruction` was left blank ([#2069](https://github.com/adaptlearning/adapt_framework/issues/2069))
- The `notify:closeNotify` event could be invoked multiple times ([#1659](https://github.com/adaptlearning/adapt_framework/issues/1659))
### Removed
- Page 'tab wrapping' ([#2076](https://github.com/adaptlearning/adapt_framework/issues/2076))
- Legacy `_allowScrollOver` setting and related code that allowed `inview` to work with those (old) versions of Safari for iOS that would pause JavaScript execution whilst the user was scrolling ([#2054](https://github.com/adaptlearning/adapt_framework/pull/2054))
## [3.1.0] - 2018-05-14
### Added
- `any` and `all` Handlebars helper functions ([#2021](https://github.com/adaptlearning/adapt_framework/issues/2021))
- `dir-rtl` and `dir-ltr` class gets added to index.html and updated when language changes ([#2033](https://github.com/adaptlearning/adapt_framework/issues/2033))
- `completed` class added to menuView ([#2031](https://github.com/adaptlearning/adapt_framework/issues/2031))
- `Adapt.offlineStorage` can now store data when no handler has been defined ([#1981](https://github.com/adaptlearning/adapt_framework/issues/1981))
### Fixed
- Bad path separators in Grunt command ([#2025](https://github.com/adaptlearning/adapt_framework/issues/2025))
- `grunt help` now lists all the translate tasks ([#2057](https://github.com/adaptlearning/adapt_framework/issues/2057))
- Bug in `setActiveItem()` when no active item exists ([#2035](https://github.com/adaptlearning/adapt_framework/issues/2035))
- Tracking tasks now respect `--outputdir` ([#2006](https://github.com/adaptlearning/adapt_framework/issues/2006))
### Changed
- Unified LESS and JavaScript source maps ([#2009](https://github.com/adaptlearning/adapt_framework/issues/2009))
- Added `_completionCriteria` to sample course config.json (#2003)
### Removed
- `_isHiddenFromMenu` in favour of using pre-existing property `_isHidden` instead
## [3.0.0] - 2018-03-06
### Removed
- Support for legacy versions (8, 9, & 10) of Internet Explorer - as well as various settings, hacks, defensive code, libraries, font files & styling related to support for those browsers
- Some hacks related to backwards-compatibility with Adapt v1 ([#1708](https://github.com/adaptlearning/adapt_framework/issues/1708))
### Added
- An 'items collection' to provide a shared data model for components like Accordion or Narrative ([#1637](https://github.com/adaptlearning/adapt_framework/issues/1637))
- A 'build model' to show what was used to build the course when debugging ([#1683](https://github.com/adaptlearning/adapt_framework/issues/1683))
- Various functions to the core models in preparation for adding xAPI support ([#1523](https://github.com/adaptlearning/adapt_framework/issues/1523) & [#1710](https://github.com/adaptlearning/adapt_framework/issues/1710))
- New `Adapt.wait` API ([#1814](https://github.com/adaptlearning/adapt_framework/issues/1814))
- Support for 'subviews' of Notify ([#1840](https://github.com/adaptlearning/adapt_framework/issues/1840) & [#1892](https://github.com/adaptlearning/adapt_framework/issues/1892))
- A `completed` class to completed page/article/block/component elements ([#1888](https://github.com/adaptlearning/adapt_framework/issues/1888))
- Ability for question components to be able set a title for feedback (rather than displaying the question title) ([#1876](https://github.com/adaptlearning/adapt_framework/issues/1876))
- `preResize` and `postResize` events ([#1890](https://github.com/adaptlearning/adapt_framework/issues/1890))
- Access to all course data for handlebars templates ([#1906](https://github.com/adaptlearning/adapt_framework/issues/1906))
- Error output for the `grunt translate` task ([#1989](https://github.com/adaptlearning/adapt_framework/pull/1989))
### Changed
- Updates to the Grunt tasks - for a complete list of changes see the [GruntFile v3 Milestone](https://github.com/adaptlearning/adapt_framework/milestone/14?closed=1)
- Updates to Accessibility - for a complete list of changes see the [Accessibility v3 Milestone](https://github.com/adaptlearning/adapt_framework/milestone/15?closed=1)
- Various amends to the authoring tool schema files ([#1435](https://github.com/adaptlearning/adapt_framework/issues/1435), [#1694](https://github.com/adaptlearning/adapt_framework/issues/1694), [#1732](https://github.com/adaptlearning/adapt_framework/issues/1732), [#1984](https://github.com/adaptlearning/adapt_framework/issues/1984), [#1991](https://github.com/adaptlearning/adapt_framework/issues/1991), [#1993](https://github.com/adaptlearning/adapt_framework/issues/1993), [#1995](https://github.com/adaptlearning/adapt_framework/issues/1995))
- Updated JQuery from v2.2.3 to v3.3.1 ([#1303](https://github.com/adaptlearning/adapt_framework/issues/1303))
- Moved trickle's `jquery.resize` plugin and model functions into core ([#1576](https://github.com/adaptlearning/adapt_framework/issues/1576))
- Amended `offlineStorage` in preparation for the addition of xAPI support ([#1699](https://github.com/adaptlearning/adapt_framework/issues/1699))
- Moved course completion settings and logic out of the Spoor plugin and into core in preparation for the addition of xAPI support ([#1700](https://github.com/adaptlearning/adapt_framework/issues/1700))
- Tidy up of router.js ([#1757](https://github.com/adaptlearning/adapt_framework/issues/1757))
- Amended `startController` to allow a class name as well as a selector ([#1843](https://github.com/adaptlearning/adapt_framework/issues/1843))
- Updated Modernizr to v3.5.0 ([#1934](https://github.com/adaptlearning/adapt_framework/issues/1934))
### Fixed
- In-course links in Notify content disable scrolling ([#1675](https://github.com/adaptlearning/adapt_framework/issues/1675))
- Issue with Drawer button sometimes being displayed when it shouldn't be ([#1817](https://github.com/adaptlearning/adapt_framework/issues/1817))
- `requireCompletionOf` functionality broken ([#1845](https://github.com/adaptlearning/adapt_framework/issues/1845))
- Issue with inview library not checking component visibility properly ([#1873](https://github.com/adaptlearning/adapt_framework/issues/1873))
- Issue with inview library's 'out of bounds' check ([#1881](https://github.com/adaptlearning/adapt_framework/issues/1881))
- `jquery.resize` overwriting `$(window).resize()` unnecessarily ([#1884](https://github.com/adaptlearning/adapt_framework/issues/1884))
- Empty title tag in index.html ([#1886](https://github.com/adaptlearning/adapt_framework/issues/1886))
- Standard Adapt event queue not firing on language change ([#1909](https://github.com/adaptlearning/adapt_framework/issues/1909))
- Issue with Drawer button disappearing when changing language ([#1917](https://github.com/adaptlearning/adapt_framework/issues/1917))
## [2.2.0] - 2017-08-02
Last version to include new features for legacy browsers, i.e. Internet Explorer 8, 9 and 10. See [here](https://community.adaptlearning.org/mod/forum/discuss.php?d=1946) for more information.
### Added
- Added support for swipe events via JQuery Mobile (#1633)
- Added `_isHidden` property as a way of hiding views (#1605)
- Added support for ordering of Drawer items ([#1393](https://github.com/adaptlearning/adapt_framework/issues/1393))
### Changed
- Updated to latest `jquery.onscreen` library (#1594)
- Updated to latest `jquery.imageready` library (#1641)
- Changed Boolean inputs to Checkbox for authoring too ([#1380](https://github.com/adaptlearning/adapt_authoring/issues/1380))
- JSON and JavaScript files now minified via Grunt build process (#1634)
### Fixed
- `_isSubmitted` property added to QuestionModel defaults ([#1661](https://github.com/adaptlearning/adapt_framework/pull/1661))
- Issue introduced with circular routing fix (#1582) for circular routing control reset ([#1688](https://github.com/adaptlearning/adapt_framework/pull/1688))
- Grunt build process now follows symlinks (#1610)
- RTL courses now respect the vertical alignment of components (#1670)
- Tidy-up of Backbone.Collection to avoid stale binding and potential memory leaks (#1607)
## [2.1.3] - 2017-06-16
### Fixed
- circular routing control reset ([#1582](https://github.com/adaptlearning/adapt_framework/issues/1582))
## [2.1.2] - 2017-05-31
### Fixed
- grunt handlebars wasn't filtering correctly on Windows ([#1577](https://github.com/adaptlearning/adapt_framework/issues/1577))
## [2.1.1] - 2017-05-26
### Fixed
- `helpers.compile` wasn't passing through the correct context ([#1572](https://github.com/adaptlearning/adapt_framework/issues/1572))
## [2.1.0] - 2017-05-24
### Added
- allow json to include handlebars-style expressions; amend course description as a demonstration of how this works ([#1040](https://github.com/adaptlearning/adapt_framework/issues/1040))
- added new `itemsModel` to core code as part of the work to separate model code from the view code ([#1179](https://github.com/adaptlearning/adapt_framework/issues/1179))
- allow handlebars to reference view functions directly ([#1514](https://github.com/adaptlearning/adapt_framework/issues/1514))
- latest version of the imageReady library ([#1534](https://github.com/adaptlearning/adapt_framework/pull/1534))
- refactored code to make it easier to read
- adds speed improvements
- fixes cache issues in Firefox and Chrome
- stops it from waiting for missing images
- now correctly reports timed-out images
- fetches background images when no `` tags are present
### Fixed
- `adapt:initialize` being called before plugins have chance to complete aysnc ops during `app:dataReady` ([#1536](https://github.com/adaptlearning/adapt_framework/issues/1536))
- Accessibility JQuery plugin was stopping the [Select2 library](http://select2.github.io/) used in the [adapt-contrib-matching component](https://github.com/adaptlearning/adapt-contrib-matching) from making sure only one `