https://github.com/salesforce/sfdx-lwc-jest/blob/90da754ec1ba08bf3ae123641f1b6c05393a93b7/package.json#L48 Updating to version 30.0.2 would increase the jsdom version from 20 to 26 which removed the deprecated domexception dependency. https://github.com/jestjs/jest/blob/c12575b6b298b787ec8b45fbe889500040002358/website/blog/2025-06-04-jest-30.md?plain=1#L17