[js] Update select2 4.1.0-rc.0 → 4.1.0 (breaking)

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Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ select2 (4.1.0-rc.0 → 4.1.0) · Repo · Changelog

Release Notes

4.1.0

Breaking changes

• The minimum jQuery version supported is the latest version in the 1.x, 2.x, 3.x, and 4.x series (#5525, #5955)
• Removed support for legacy Internet Explorer (versions older than IE 11) (#5834)
• Removed modules deprecated in 4.0.0 (#5815)
  • Removed legacy support for <input /> tags
  • Removed legacy support for initSelection
  • Removed legacy support for query
  • Removed old select2/compat/matcher module
• Removed undocumented CSS-related options (#5815)
  • Removed dropdownCss option
  • Removed adaptDropdownCss option
  • Removed containerCss option
  • Removed adaptContainerCss option
• The containerCssClass option has been renamed to selectionCssClass (#5815, #5847)
• Significant changes to the HTML/CSS for the selection area impacting custom themes (#5842)
• New CSS classes for the dropdown results to better target highlighted / selected results (#5841)
• The search box in the selection area for multiple selects has been changed from an <input /> to a <textarea> to support pasting multiple lines (#5806)
• Change tab key to select the currently highlighted option instead of just closing (#5759)
• Tags will be highlighted first in the results even if other options have been selected (#5812)

New features / improvements

• dropdownCssClass and selectionCssClass are now available in all builds of Select2 (#5815)
• Calls to get the currently selected options are now considerably faster on large datasets (#5775)
• Selected results in the dropdown should now be properly announced to screen readers (#5841)
• Significant improvements were made to make the selection area accessible (#5824, #5842, #5916, #5942, #5973)
• Allow pasting multiple lines into the search field for tokenization (#5806)
• Add support for jQuery 4.0.0 (#6332)
• Add originalEvent to close trigger arguments (#6079)

Bug fixes

• Resize the selection search on close to properly display the placeholder (#5766)
• Change internal data ID generation to be more unique and prevent conflicts with numeric IDs (#5840)
• Internet Explorer 11 no longer steals focus of search box while tagging (#5842)
• Fix slow memory leak caused by not clearing cache on destroy (#5965)
• Fix multiple select placeholder misalignment (#6277)
• Fix RTL selection__choice__remove button (#6257)
• Fix support for data-placeholder values which consist solely of digits (#6297)
• Fix unselection of items from AJAX data sources with non-string identifiers (#6241, #6335)
• Convert optgroup child data identifiers to string datatype (#6338)

Translations

• Add Esperanto translation (eo) (#5823)
• Add Punjabi translations (pa) (#5831)
• Add Telugu translations (te) (#5881)
• Updated Hungarian translations (hu) for 4.1.0 changes (#5970)
• Add Luxembourgish translation (lb) (#6131)
• Add Uyghur (Uighur) translation (ug) (#6166)
• Update Arabic translation with removeItem string (ar) (#6175)
• Add missing Traditional Chinese translations (zh-TW) (#6157)
• Update Indonesian translation (id) (#6153)
• Update Turkish translation (tr) (#6123)
• Update Romanian translation (ro) (#6190)
• Updated DE/ES/FR/PT/PT-BR translations (#6132)
• Update Polish translation (pl) (#6097, #6377)
• Update Norwegian translations (nb) (#6213)
• Update Persian/Farsi translation (fa) (#6258)
• Fix Dutch translation (nl) removing unwanted dots for noResults (#6269)
• Fix Brazilian Portuguese translation typo (#6200)
• Add missing Bosnian, Catalan, Danish, and Finnish translations (#6305)

Miscellaneous

• The amdLanguageBase option no longer has an effect because the full build does not include any dynamically loaded modules (#5815)
• Replace jQuery attr/removeAttr with native getAttribute/setAttribute/removeAttribute (#6227, #6228)
• Replace jQuery addClass with native classList.add (#6229)
• Remove jQuery from Utils and Translation modules (#6233)
• Remove use of jQuery prop() function (#6289)
• Switch NPM publishing to trusted publishing with provenance (#6405)

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This release was sponsored in part by a donation from Bullet Train and many other contributors on the Open Source Collective and GitHub Sponsors.

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

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