id summary reporter owner description type status priority milestone component version resolution keywords cc 16620 Source button disabled after block widget copy-paste Tade0 "== Steps to reproduce == 1. Open http://tests.ckeditor.dev:1030/tests/plugins/widget/manual/block 2. Insert a `doublecolumn` widget(empty icon). 3. Cut the code snippet widget that's placed lower and paste it into the first editable in the `doublecolumn` widget. 4. Click the `Source` button. == Expected result == Mode switched to source. == Actual result == Source button gets disabled. == Other details (browser, OS, CKEditor version, installed plugins) == Browser: Edge" Bug confirmed Normal General 4.5.11