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This upgrades to jQuery 4.0.0-rc.1. Most of the changes were related to jQuery 4 changes such as
isArrayandtrim. There were several places that needed more comprehensive changes and should be looked at with greater scrutiny. See the JQUERY_4_UPGRADE_SUMMARY.md document for details as well as my own comments in the files.Transparency: I used Claude Sonnet 4 heavily to assist with this upgrade.
Merge request checklist
devand I am issuing the PR todevdistdirectoryIf it's a new feature, I added the necessary unit testsIf it's a new language, I filled the__localeand__authorfields