…ns should be moved to a compatibility library instead of being dropped entirely T115341: Create a standard timetable for deprecating public-facing code across all WMF projects Related Objects Mentions Mentioned In T69984: Member variable visibility changes broke compatibility for…

…Wiki-Action-API ci-test-error (WMF-deployed Build Failure) Jan 25 2022, 2:30 AM T115341 Create a standard timetable for deprecating public-facing code across all WMF projects User-notice Developer-Advocacy MediaWiki-Action-API WMF-Product-Development-Process-2015 Community-Tech (…