• Revert a change that used APIs that were not available in early minor versions of Node 14 (#2799 contributed by @xqin)

Changelog

• Add Server connection injection API as described in gRFC L114 (#2675)
• Implement support for an alternate DNS resolver that supports custom authorities (#2776 contributed by @gkampitakis)
• Add a channel option to configure retry attempt limits (#2795)
• Add a getHost method to server call objects (#2783, #2793)
• Fix typos and omissions in service config validation errors (#2782 contributed by @matthewbinshtok)

Experimental API changes

Added:

• splitHostPort
• HostPort
• createServerCredentialsWithInterceptors

• Add xDS Servers (#2783)
  • Note: this is primarily a foundation for future features. It doesn't actually do much right now.
• Add support for dualstack socket support in xDS clients (#2665)

• Fix a bug that caused clients to reconnect unnecessarily while no requests are pending. (#2784)
• Fix a bug that caused clients to fail to re-establish existing connections while waiting for DNS results (#2784)
• Fix a bug that caused servers to sometimes not close idle connections depending on timing (#2790)
• Fix a bug that caused calls to be pending indefinitely while unable to start after a channel is closed (#2791)

• Various improvements to handling of keepalive timers (#2760 by @davidfiala)
• Fix a bug causing unary response client requests to hang when unexpectedly receiving multiple messages (#2772)
• Fix a bug causing some requests to fail when making requests through a local proxy (#2746 contributed by @mjameswh, backported in #2777)
• Fix handling of URL-encoded user credentials in proxy configuration (#2761 contributed by @brendan-myers, backported in #2777)
• Fix missing client-side handling of the grpc.max_send_message_length channel option (#2779)

• Avoid buffering significantly more than grpc.max_receive_message_size per received message.

• Avoid buffering significantly more than grpc.max_receive_message_size per received message.

• Avoid buffering significantly more than grpc.max_receive_message_size per received message.

• Fix a bug that caused channels with unix: targets to not reconnect after the channel goes idle (#2750)

• Update dependency on @grpc/proto-loader to the latest version (#2731)