Created attachment 379536 [details] screen recording shows overrides working correctly until search is performed, after which saving overrides fails Steps to reproduce: 1. Open Web Inspector 2. Make sure that 'sources tab' is enabled in experiments 3. Use local overrides to override any text file (e.g. html) 4. Open that file in 'Sources > Local Overrides' 5. Try searching within that override for any string 6. Reload the page 7. Modify override 8. Reload the page Expected result: Override changes are saved. Actual result: Changes to the override are lost. Notes: - restarting Web Inspector fixes the issue - tested in Release 92 (Safari 13.1, WebKit 15609.1.4)