This is the fourth bugfix release of Select2 4.0.0. It builds upon the third bugfix release and fixes many common issues.

New features / Improvements

• Make tag matching case insensitive (cb9a904, 1167bac)
• Support selecting options with blank or 0 option values (16b4840, 0358ee5)

Bug fixes

• Fix issue with entire form losing focus when tabbing away from a Select2 control (#4419)
• Fix UMD support for CommonJS (45a8773)

Documentation

• Add django-autocomplete-light to integrations (#4597)
• Correct typo in options page (#4389)
• Correct misspelling in AJAX query parameters example (#4435)
• "highlight" should be "focus" in focus example (#4441)
• Correct misspelling in <select> serialization example (#4538)
• Correct typos in documentation (#4663)

Translations

• Add errorLoading Hungarian translation (7d1d133)
• Add errorLoading German translation (4df9652)
• Add Slovene language (8e6422c)
• Add errorLoading Galician translation (8fcc620)
• Add errorLoading Thai translation (625fc78)
• Add searching and errorLoading Finnish translations (#4730)
• Add errorLoading Turkish translation (fd4a082, 751b367)
• Add Armenian language (f6fa52d)