Issue #2159347 by david_garcia, claudiu.cristea: Aggregation not working simple test case
Issue #1938916 by joelpittet, akalata, a-fro, duellj, InternetDevels, lauriii: Convert locale theme tables to table #type
Issue #2382503 by Wim Leers: Not possible to render self-contained render array while a render stack is active
Issue #2362227 by dawehner, mpdonadio, znerol, tim.plunkett, skipyT: Replace all instances of current_path()