• Channel#watchConnectivityState: handle infinite deadlines correctly (#1553 contributed by @SimonWoolf)
• Use correct name for SNI when connecting through a proxy (#1555 contributed by @wkchee)
• Preserve the original error code when propagating errors thrown in data event handlers in server call handlers (#1557 contributed by @mad-it)
• Fix compatibility issue between ChannelOptions and ClientOptions type definitions (#1559 contributed by @grissius)