Issue #2314765 by Crell: Standardize filter format route names.
Issue #2314881 by Crell: Standardize responsive image mapping entity route names.
Issue #2314875 by Crell: Standardize language entity route names.
Issue #2314869 by Crell: Standardize DateFormat entity route names.
Issue #2314861 by Crell: Standardize aggregator entity route names.
Issue #2314855 by Crell: Standardize block entity route names.