But limitations in watchOS 4 make it impossible to deliver standalone podcast playback with the basic functionality and quality that people expect.
His post focused on updates that are needed for podcast apps to make sense on watchOS.
After using the Apple Watch Series 3 while traveling for the weekend I expect to see a massive OS update from Apple in watchOS 4.1 and 4.2 to enable much more capabilities for developers through APIs. The Series 3 is not being fully tasked by the third-party apps currently. Not by a long shot.