Active 8.x javascript issues

User pain Issue Created
14% details#1310642: Adding drupal_add_tabledrag() support for parents with depth 0 2011-11-05
14% details#1587536: JS aggregation should account for "defer" and "async" attributes 2012-05-29
14% details#1854046: Add "changed" hints to translation settings page 2012-12-02
14% details#2119299: Make sure D8 works with mobile proxy browsers 2013-10-24
14% details#2137235: Make core JS work with a subset of jQuery 2013-11-16
14% details#2175513: Handle params array in Drupal.Views.parseQueryString JS function 2014-01-17
14% details#2215857: Behaviors get attached to removed forms 2014-04-22
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#2707933: drupalSettings.path.currentPath on frontpage should return "" 2016-04-17
14% details#2741877: Nested modals don't work: when using CKEditor in a modal, then clicking the image button opens another modal, which closes the… 2016-06-03
14% details#2864294: Autocomplete doesn't update suggestions if space is typed 2017-03-27
14% details#2892973: Missing required * 2017-07-07

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.