Background
- Follow up to https://phabricator.wikimedia.org/T361158
- There are instances where our appearance settings will not apply to the interface a reader is viewing at that time.
User story
- As a reader, I want system feedback when appearance settings do not match my expectations of the interface.
Requirements
- Exception handling copy is the same across Vector and Minerva
- In Minerva, toast pops up with standard toast behaviour when a user loads an exception page
Design
Acceptance criteria
- Add acceptance criteria
Communication criteria - does this need an announcement or discussion?
- Add communication criteria
