QA Testing Policy for Supported OS versions - rajparad/firefox-ios GitHub Wiki
Summary
The intent of this document is to state which is the testing policy for supported OS versions on iOS. While it is known that the policy is applied by Softvision team in the manual tests, there is not a document or wiki page yet to be consulted by external teams.
Manual Testing
For Release and Beta testing, the policy is to test the current OS version and the two previous OS versions. Automated Testing For automated testing, the tests are run on the latest major version available.
Note
There is a Jira ticket for the Mobile Test Engineering team to investigate if we could add the two previous OS versions to the automated testing
References
https://mozilla-hub.atlassian.net/wiki/spaces/MTE/pages/21561470/Build+Validation+-+Firefox+iOS
Original google doc