Change Details

Have an experiment variant (`sectionlevelimages`), add tooling to make it easy for testers to opt-in to it, etc **Acceptance Criteria** # Should be able to .... # .... #### Completion checklist **Functionality** [] The patches have been code reviewed and merged [] The task passes its acceptance criteria **Engineering** [] There are existing and passing unit/integration tests [] Tests for every involved patch should pass [] Coverage for every involved project should have improved or stayed the same **Design & QA** [] If the task is UX/Design related: it must be reviewed and approved by the UX/Design team [] Must be reviewed and approved by Quality Assurance. **Documentation** [] Related and updated documentation done where necessary - Internal technical changes: internal repository documentation must be updated (README.md, JSDoc, PHPDoc) - Infrastructure technical changes: technical changes that reflect on environment, infrastructure, endpoints or any other area of interest for technical contributors should be reflected on [[ https://www.mediawiki.org/wiki/Extension:GrowthExperiments | Extension:GrowthExperiments ]] or [[ https://www.mediawiki.org/wiki/Extension:GrowthExperiments/Technical_documentation | Extension:GrowthExperiments/Technical documentation ]] pages.

Have an experiment variant (`sectionlevelimages`), add tooling to make it easy for testers to opt-in to it, etc **Acceptance Criteria** - [ ] Hidden preference exists for users to opt-in / opt-out to the feature - [ ] Feature flag exists for globally showing / hiding the task type - [ ] New experiment variant (`sectionlevelimages`) is defined as a valid variant

Have an experiment variant (`sectionlevelimages`), add tooling to make it easy for testers to opt-in to it, etc **Acceptance Criteria** # Should be able to ....- [ ] Hidden preference exists for users to opt-in / opt-out to the feature # .... #### Completion checklist **Functionality** [] The patches have been code reviewed and merged [] The task passes its acceptance criteria **Engineering** [] There are existing and passing unit/integration tests [] Tests for every involved patch should pass [] Coverage for every involved project should have improved or stayed the same **Design & QA** [] If the task is UX/Design related: it must be reviewed and approved by the UX/Design team [] Must be reviewed and approved by Quality Assurance. **Documentation** [] Related and updated documentation done where necessary - Internal technical changes: internal repository documentation must be updated (README.md, JSDoc, PHPDoc)- [ ] Feature flag exists for globally showing / hiding the task type - Infrastructure technical changes: technical changes that reflect on environment, infrastructure, endpoints or any other area of interest for technical contributors should be reflected on [[ https://www.mediawiki.org/wiki/Extension:GrowthExperiments | Extension:GrowthExperiments ]] or [[ https://www.mediawiki.org/wiki/Extension:GrowthExperiments/Technical_documentation | Extension:GrowthExperiments/Technical documentation ]] pages.[ ] New experiment variant (`sectionlevelimages`) is defined as a valid variant