Breaking changes

• The selectionCssClass option now works when used without containerCssClass (#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)

New features / improvements

• The autocomplete attribute is now copied over to the Select2 search field (#5839)
• Selected results in the dropdown should now be properly announced to screen readers (#5841)
• Significant improvements were made to make the selection area accessible (#5842)

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)

Select2 is a looking for sponsors to keep development active. Interested in seeing Select2 continue to be developed? Sponsor @kevin-brown (and by extension, Select2) on GitHub Sponsors or sponsor Select2 on Open Collective!