v2.1.0

See the release notes below for the intervening 4 beta releases since the 2.0 release. Those beta releases will have details on all the updates/features in this release. Since beta4 we've fixed some remaining bugs and stabilized things.

One special note on this release: We've taken the approach of applying ObsoleteAttribute on a set of public APIs that are new in this release, but not yet ready for public consumption. These APIs are under active development as part of Azure Functions and may experience breaking changes in the next release (even the next minor release), so we don't recommend their use unless you're OK with absorbing breaking changes.