Upgrading from Drupal 10.1.8 to 10.3 started showing below the error.
ckeditor5-dll.js?v=41.3.1:5 Uncaught TypeError: Cannot read properties of null (reading 'disableCssTransitions')
at n.on.priority (find-and-replace.js?shf7cj:488:40)
at $e.fire (ckeditor5-dll.js?v=41.3.1:5:663135)
at $e.set [as isOpen] (ckeditor5-dll.js?v=41.3.1:5:665707)
at Ue. (ckeditor5-dll.js?v=41.3.1:5:523921)
at Ue.fire (ckeditor5-dll.js?v=41.3.1:5:663135)
at M (ckeditor5-dll.js?v=41.3.1:5:664785)
at Ue.fire (ckeditor5-dll.js?v=41.3.1:5:663305)
at f. (ckeditor5-dll.js?v=41.3.1:5:505369)
at ue.s (ckeditor5-dll.js?v=41.3.1:5:491979)
at ue.fire (ckeditor5-dll.js?v=41.3.1:5:663135)
Needs review
1.1
Code
Added the new build for find and replace, tested on local working fine for me.
Please verify