Issue #3062376 by smustgrave, rlnorthcutt, Krzysztof Domański, ravi.shankar, robpowell, acbramley, Abhijith S, larowlan, Anybody, lauriii, phenaproxima, brandonratz, danflanagan8, quietone, longwave: Template suggestions for custom block view modes

Issue #3186415 by phenaproxima, Charlie ChX Negyesi, walangitan, pianomansam, dan2k3k4, Al Munnings, larowlan, philltran, cilefen, longwave, alexpott, pookmish, kaynen, Lendude, Gábor Hojtsy, rlnorthcutt, ksenzee: Make oEmbed resource fetcher more tolerant of unexpected Content-Type headers

Issue #1821524 by rlnorthcutt, tim.plunkett, damiankloip: Decouple use of default views in ViewStorageTest.