Active 8.x javascript issues

User pain Issue Created
60% details#2235977: JS Client-side file validation is broken (because ajaxPageState is broken?) 2014-07-11
60% details#2301527: Client side file extension validation for managed files fails on Internet Explorer 11 2014-09-24
60% details#2542050: Toolbar implementation creates super annoying re-rendering. 2015-07-29
60% details#2624496: "Edit summary" button broken if text area with a summary has description 2015-11-27
57% details#2692805: While positioning dialog min/maxHeight options are ignored in some cases 2016-03-23
51% details#2666746: [PERFORMANCE] Simultaneous file uploads re-posting data 2016-02-11
51% details#2809281: Use ES6 for core JavaScript development 2016-09-30
46% details#2805205: Provide screen-reader feedback when filtering by block name. 2016-09-23
43% details#2141055: When multiple instances of the same entity on one page, only the first can be edited 2013-11-21
43% details#2384153: Node preview bar should re-calculate BODY padding-top, otherwise user menu (top of page) is obscured 2014-11-29
43% details#2498915: Javascript DrupalBehavior error when JQuery UI Dialog not defined in Behavior settings 2015-06-02
43% details#2705327: Failed to execute 'contains' on 'Node' 2016-04-13
43% details#2856047: Avoid random failures in JavascriptTestBase when testing functionality in a dialog 2017-02-26
43% details#2864807: Autocomplete textfield surrounds titles with double quotes 2017-03-28
40% details#1936708: Current element values missing from vertical tabs when shown in 2-column layout 2013-03-07
40% details#2168711: Wrong use of Modernizr.touch, breaks contextual links 2014-01-07
40% details#2186647: Autocomplete: duplicates of existing terms are suggested (regression) 2014-02-01
40% details#2292083: Need to scroll to see Save options on content edit 2014-08-01
40% details#2643240: Comment behavior on entity settings form is broken. 2016-01-02
34% details#1686174: Refactor machine-name.js 2012-08-21
34% details#1751308: Refactor tableselect.js 2012-08-24
34% details#1751312: Rewrite vertical-tabs.js 2012-08-24
34% details#2302519: Duplicate titleRow variable and convert to $titleRow since it is a jQuery object 2014-07-13
34% details#2315773: Create a menu link field type/widget/formatter 2014-08-05
34% details#2346815: [module:node] Replace JS #id and .selectors for data-drupal-* 2014-10-01
34% details#2346973: Replace jQuery UI autocomplete with Select2 2014-09-30
34% details#2423093: Allow multiple target entity types in the 'entity_autocomplete' Form API element 2015-02-11
34% details#2516938: Set the toolbar to position fixed on mobile 2015-07-01
34% details#2554221: Port Cross-site Scripting - Autocomplete system from SA-CORE-2015-003 to Drupal 8 2015-08-20
34% details#2570093: Replace !placeholder with @placeholder where needed in JavaScript 2015-09-17
34% details#2784935: Outside In: Use Backbone for client-side state management 2016-08-16
34% details#2815077: Adopt airbnb javascript style guide v13 as baseline ES6 javascript coding standards for Drupal 2016-10-08
34% details#2828528: Add Quick Edit Functional JS test coverage 2016-11-17
34% details#2868137: Improve JavaScript build tooling. 2017-04-09
29% details#997826: #states doesn't work correctly with type text_format 2011-01-30
29% details#1149078: States API doesn't work with multiple select fields 2011-05-13
29% details#1426646: "-Select-" option is lost when form elements uses '#states' 2012-02-03
29% details#1877820: Ajax error when checking/importing interface translations 2013-01-02
29% details#1890266: dropbutton text fails to retain .dropbutton-widget width 2013-01-26
29% details#1962800: form #states not working with literal integers as values in IE 2013-04-05
29% details#2087009: Make sure weights are unique when using tabledrag 2013-09-11
29% details#2186643: Autocomplete always searches the last tag 2014-02-01
29% details#2207619: Edit icon for node in view's preview doesn't work 2014-02-28
29% details#2209063: Fix the flicker of the "active" icons when a high-latency user clicks on toolbar items 2014-03-03
29% details#2226405: FAPI #states: dependent element added via AJAX initializes incorrectly if dependee has been initialized earlier 2014-04-01
29% details#2277785: Tabledrag "tree-child" classes not being added 2014-06-01
29% details#2312805: Tour does not support turning off animation 2014-07-31
29% details#2395065: Certain URL fragments cause javascript error when collapsible fieldset is present on page 2015-02-24
29% details#2438713: blacklist spills over to all autocomplete options 2015-02-26
29% details#2463061: states.js attach add listeners but does not remove them 2015-05-14
29% details#2494235: Toolbar renders incorrectly due to 'contextual-region' class on <body> added by views-contextual.js 2015-05-29
29% details#2530052: Undefined settings in locale.datepicker.js 2015-07-09
29% details#2539664: Contextual links in views preview not working 2015-08-05
29% details#2561367: Back to content editing bar on node preview page not visible when javascript is disabled 2015-09-01
29% details#2608384: Unsaved allowed html tags are lost when adding a plugin 2015-11-04
29% details#2627788: Focus state bug on text field AJAX calls 2015-12-03
29% details#2637500: Fields floated via CSS can break Quick Edit — also happens for Article nodes in Bartik 2015-12-18
29% details#2639822: Contextual links destination uses internal paths, not path aliases 2015-12-23
29% details#2648460: AJAX view with exposed filters & default values does not respect user's empty choice 2016-01-11
29% details#2649546: Alignment/justify buttons not appearing for CKEditor, <p class="text-align-left text-align-center text-align-right text-align-… 2016-01-13
29% details#2651798: form_test routes improperly defined, why doesn't this fail? 2016-01-17
29% details#2662932: Drupal.file.progressBar doesn't replace APC_UPLOAD_PROGRESS|UPLOAD_IDENTIFIER in time 2016-02-04
29% details#2666988: File Field Auto Upload doesn't work on slow network (before DOM READY/LOAD) 2016-02-11
29% details#2667396: Make the toolbar remember its open/closed state when in the horizontal position. 2016-02-12
29% details#2700521: dropbutton with a single option missing its rounded corners 2016-04-05
29% details#2707879: Contextual Links do not respect pathPrefix 2016-04-17
29% details#2751643: Body padding too large, displace calculation inconsistent (IE10, IE11, and iPad2) 2016-06-19
29% details#2762963: Can't scroll vertical toolbar tray to reveal last item, applies to both mobile and desktop breakpoints 2016-07-08
29% details#2775651: No active language in language switcher for URL with query string 2016-07-29
29% details#2782891: Page Title block's title behaves in a confusing way, especially with Outside In 2016-08-11
29% details#2784495: Normalize block place and outside-in experiences 2016-08-15
29% details#2785047: In Outside In mode, messages should appear in the off-canvas tray, not the main page 2016-08-16
29% details#2806733: testMultipleLibrariesAreNotLoaded 2016-09-26
29% details#2815103: QuickEdit toolbar doesn't show when starting to edit another entity without closing the current instance 2016-10-08
29% details#2822217: DrupalImageCaption plugin does not recognize <img src>, with a manually specified src 2016-10-26
29% details#2825433: Style vertical tabs for settings tray 2016-11-07
29% details#2826287: Duplicate Label field (on form) when adding field 2016-11-10
29% details#2831667: Autocomplete doesn't trigger `formUpdated` 2016-11-30
29% details#2834346: Contextual links double trigger 2016-12-09
29% details#2838945: Drupal.tableDrag: column span calculated wrongly for custom column 2016-12-23
29% details#2842525: Ajax attached to Views exposed filter form does not trigger callbacks 2017-01-10
29% details#2845161: States API doesn't work with default null value on select type and #multiple or #size option 2017-01-20
29% details#2848401: [upstream] Modernizr prevents strict CSP 2017-01-31
29% details#2849100: Spaces shown before commas in publishing options 2017-02-02
29% details#2855521: Drupalimage calling drupallink functions without checking if the plugin is loaded 2017-02-23
29% details#2858764: Empty "activeTray" in Toolbar's Model 2017-03-08
29% details#2862092: Views preview crashes 2017-03-20
29% details#2864974: Grouping button to dropbutton clears the disabled flag 2017-03-29
29% details#2865842: Parsing of allowed HTML tags (for integration with Text Editor configuration) throws JS error when adding <tbody> element 2017-03-31
29% details#2871829: Simultaneous AJAX submissions result in form cache not getting updated for the second submission 2017-04-21
26% details#2334403: Addition and deletion of shortcuts should not reload the page 2014-09-11
26% details#2560457: Support drag-and-drop image uploads in CKEditor 2015-08-31
23% details#193799: Warn before losing changes (eg: blocks and menu admin pages) 2007-11-20
23% details#290429: UI: Rename 'menu items' to 'menu links' for more consistency 2008-08-05
23% details#736182: Match States API required fields theming with Forms API 2010-04-29
23% details#900590: Support for the readonly/readwrite attribute 2012-01-04
23% details#1337628: Enhance language select form with textbox and other tools 2011-11-10
23% details#1354992: Protect against JSON data hijacking with typical CSRF protections 2012-06-16
23% details#1663622: Change directory structure for JavaScript files 2012-06-29
23% details#1786198: Make consistent regions in code for fields UI overview screens 2012-09-17
23% details#1810352: Support version detection of core libraries when implemented through drupal_process_attached (drupal_add_library) 2012-10-11
23% details#1831282: Remove nojs from menu callbacks in favour of content negotiation from the request object 2012-11-04
23% details#1836392: In the Views UI, the interaction pattern of “All displays”/ “Override this display” is confusing 2012-11-13
23% details#1838234: Add jQuery Timepicker for the Time element of the datetime field 2012-11-12
23% details#1841584: Add and configure master displays 2012-11-15
23% details#1847916: Replace the ajax-progress-throbber div with a class 2012-11-22
23% details#1855036: ARIA and accessibility improvements in entity (content) translation settings page 2012-11-30
23% details#1864944: Tests for ajaxPageState does not contain JS files that are in scopes other than 'header' 2012-12-12
23% details#1921136: Previous button for tour tips 2013-03-12
23% details#1982208: Replace indentation theme hook/indentation.html.twig with data attributes 2013-05-02
23% details#1993518: Display batch progress in modals 2013-05-13
23% details#2021065: hide the table header when empty search on the test overview page 2014-10-01
23% details#2101131: Use Dom Promises, aka Futures, to improve the DX for callbacks 2013-09-30
23% details#2101171: Make views options dropdowns part of the navigation of the view 2013-09-30
23% details#2277551: Add a 'static' variant to the progress bar 2014-06-01
23% details#2277761: Remove unnecessarily complex logic from tableresponsive.js 2014-06-01
23% details#2277795: Remove completely irrelevant addition of "menu-item__link" class in tabledrag.js 2014-06-01
23% details#2278473: Simplify Dropbutton markup inline with our CSS standards 2014-06-02
23% details#2278479: Change the dropbutton theme function to ensure consistent output and accommodate the splitbutton design 2014-06-02
23% details#2280035: Add another responsive tables solution that doesn't hide content 2014-06-06
23% details#2343297: Add JS to prevent non-menu blocks from being added to Bartik's two special-purpose menu regions 2014-10-06
23% details#2343777: Add a tooltip to the toggle contextual-link button 2014-09-28
23% details#2346799: Replace #ID selectors for data-drupal-selector attribute 2015-05-14
23% details#2355501: Contextual link triggers cover too much of small contextual regions 2014-10-13
23% details#2359711: Improve Error Message of "Authored By" 2015-02-19
23% details#2408561: [PP-1] Rewrite Quick Edit CSS to meet our CSS standards 2015-01-16
23% details#2489580: Move taxonomy.theme.css to Seven 2015-05-15
23% details#2497547: ESLint validation in modules 2015-05-30
23% details#2575509: Add package.json to core directory for npm dev dependencies 2015-09-26
23% details#2675320: A list of interactions that could benefit from having a smart frontend framework 2016-02-25
23% details#2707671: Remove optional `string` param type in Drupal.throwError 2016-04-16
23% details#2755223: Consider letting EditorImageDialog return canonical public:// file URLs and let the drupalimage CKEditor plugin transform those to the… 2016-06-24
23% details#2755873: Add ability to show the actual viewport on screenshots in JavascriptTestBase 2016-06-26
23% details#2822932: Make selected items more visually obvious. 2016-10-28
23% details#2827014: Throw an exception when testing non response body in javascript tests 2016-11-14
23% details#2844582: Move inline javascript in JSWebAssert into a separate javascript file 2017-01-18
23% details#2845741: Use Drupal JS theme functions for outputting password validation markup 2017-01-22
23% details#2846903: Use Drupal JS theme functions for outputting machine name preview markup. 2017-01-26
23% details#2863808: File Field design update mobile specific table issue 2017-03-24
23% details#2863846: File Field design update progress bar 2017-03-24
23% details#2864844: Autocomplete with 1 limited number of value should always search full input text 2017-03-28
23% details#2867451: Improve tabledrag.js performance 2017-04-06
23% details#2868299: Improve autocomplete renderItem() docs 2017-04-10
23% details#2869825: Experiment: Get nightwatch working to functional test Drupal JS via JS 2017-04-14
23% details#2871619: Refactoring content_type.js 2017-04-21
17% details#100727: Autocomplete should indicate that more results were found than displayed 2007-01-19
17% details#219346: Cache External Javascript 2008-02-14
17% details#490092: Autocomplete should have everything selected when clicked 2009-06-16
17% details#609094: Popups for the "More Help" links 2016-09-18
17% details#1016056: Hide tabledrag handle and "Show row weights" when there is only one item in list 2012-01-24
17% details#1497290: Check for common words in password strength indicators 2012-03-23
17% details#1503072: Always show vertical tabs button(menu) links 2012-03-26
17% details#1537198: Add a Production/Development Toggle To Core 2012-04-17
17% details#1540780: internally link modules on admin/modules 2012-04-23
17% details#1615474: Activate current vertical tab from URL fragment 2012-06-04
17% details#1643386: Avoid useless "_" at begining and end of JS machine name transliterate 2012-06-17
17% details#1751356: Selectors clean-up: field_ui 2012-08-24
17% details#1795268: Block metadata should use the standard "name" and "description" fields; follow content type form layout as the model 2013-03-12
17% details#1806976: Move each major atomic frontend library into an own module 2012-10-09
17% details#2081521: Add extra class or id to li.vertical-tab-button 2013-09-04
17% details#2190981: Use a theme function to handle markup in progress.js 2014-02-07
17% details#2442699: UX improvment on autocompletion 2015-02-27
17% details#2445271: #states element empty check not triggered on mouse based paste 2015-03-03
17% details#2454473: Views Preview in new Window 2015-11-30
17% details#2524222: Implement regions into tableDrag from Block module. 2015-07-03
17% details#2551979: Allow Drupal.checkPlain to turn off double escaping 2015-08-15
17% details#2653570: Vertical Tabs missing event 2016-01-20
17% details#2696023: Save Users' Toolbar State config to serverside 2016-03-29
17% details#2707291: Disable body-level scrolling when a dialog is open as a modal 2016-04-15
17% details#2752511: Update location.hash when clicking a vertical tab 2016-06-21
17% details#2800773: Admin term overview page: allow disabling tabledrag 2016-09-15
17% details#2833968: Upload progress using jQuery.form plugin instead of 3rd party PHP libraries 2016-12-08
17% details#2853039: Currently appears to be no way to activate Tours for users in the front end 2017-02-16
17% details#2864278: Autocomplete - Improve usability (embolden search in suggestions) 2017-03-27
14% details#2224541: Tour module popup stays fixed when toolbar moves 2014-03-25
14% details#2611872: JS exceptions are thrown each time a multiple-valued text field with a CKEditor instances is being rearanged 2015-11-09
14% details#2620748: Recoverable fatal error: Argument 1 passed to Drupal\comment\CommentManager::getCountNewComments() 2015-11-22
14% details#2864294: Autocomplete doesn't update suggestions if space is typed 2017-03-27
11% details#1621362: Trouble getting form to rebuild on AJAX action 2012-06-08
11% details#2738637: Inline JS blocked when strict MIME type checking is enabled. 2016-06-01
11% details#2747255: Eslint checks for errors in core/vendor if it exists 2016-06-12
9% details#2253257: Use a modal for entity delete operation links 2014-04-29
9% details#2254935: Use a modal for the entity form delete link 2014-04-30
9% details#2465749: [meta] Widespread HTML validation issue - The ID attribute MUST be unique on the page. 2015-04-05
6% details#1490312: [META] Improving CSS and JS preprocessing 2012-03-19
6% details#1649670: [META] Improving Drupal sites JavaScript Licence Compliance 2012-07-19
6% details#1770720: [META] Gradual changes to Field UI 2012-09-11
6% details#1842036: [META] Convert all confirm forms already converted to new routing system to use modal dialog 2012-11-16
6% details#1842040: [meta] Decide on where to use modal dialogs 2012-11-20
6% details#2044579: [meta] Supporting single page application development on Drupal Core. 2013-07-18
6% details#2431671: [meta] Add in js- prefixed classes for separation of JS & CSS functionality 2015-02-23
6% details#2655556: [META] Dramatically improve Drupal-provided user interactions through perceived performance boosts and optimistic feedback 2016-01-23

Sorting of the JavaScript issue queues based on user pain rating.

User pain = Type * Priority * Public / Max score

Highlighted rows are killer issues , issues that take a significant effort to fix due to their complexity.