Deprecate Application Cache
Please deprecate AppCache.
Platform status entry: https://developer.microsoft.com/en-us/microsoft-edge/platform/status/applicationcache/
Victor Costan commented
AppCache was already deprecated in 2 major browers.
Chrome has deprecated AppCache from insecure origins in M67, and will remove this support in M69 or M70. The Chrome Storage team enthusiastically supports removing AppCache from the Web Platform. https://www.chromestatus.com/feature/5714236168732672
AppCache is deprecated / obsolete in MDN and standards.