Node gRPC v1.16.0

• Add callInvocationTransformer client option (#557)
• Add Server#bindAsync. We recommend using this going forward instead of Server#bind. (#579)
• Fix a crash when using the checkServerIdentity SSL credentials option in some versions of Node (#573)

@grpc/grpc-js Beta 0.3.2

• Read compression flag from the correct bit (#560 contributed by @cjihrig)
• Include semver in runtime dependencies (#561 contributed by @cjihrig)

@grpc/grpc-js Beta 0.3.1

• Fix a bug with handling CallCredentials (#554 contributed by @cjihrig)
• Ignore reserved headers in fromHttp2Headers() (#534 contributed by @cjihrig)

@grpc/grpc-js Beta 0.3.0

• Add simple keepalive logic to maintain long-lived connections and to detect dropped connections (#468)
• Add checkServerIdentity callback to credentials API (#493)
• Add warnings for unhandled channel options (#500)
• Mark some methods of ChannelCredentials as internal (#511)
• Implement setLogger() and setLogVerbosity() (#516 contributed by @cjihrig) (note: the logger is not yet used)
• Add StatusBuilder class (#525 contributed by @cjihrig)
• Emit 'status' and 'error' events before 'end' for server streams (#288)
• Fix stream.write type incompatibility (#473)
• Remove use of deprecated Buffer() constructor (#514 contributed by @cjihrig)
• Use Buffer.from in metadata cloning (#535 contributed by @cjihrig)

Node gRPC v1.15.1

Node changes:

• Use getRequestHeaders instead of getRequestMetadata in credentials.createFromGoogleCredential whenever possible (#547 contributed by @alexander-fenster)
• Now publishing grpc prebuilt binaries for Electron 3 (#451)

Node gRPC v1.15.0

Node changes:

• Properly handle options when using deprecatedArgumentOrder client method wrappers (#445 contributed by @servel333)
• Properly handle non-numeric Error codes in errors passed to the server (#522)

Core changes:

• Check connectivity state before watching in pick-first load balancing policy (grpc/grpc#16306)
• Fix re-resolution in pick-first load balancing policy (grpc/grpc#16076)
• Added system roots feature to load roots from OS trust store. (grpc/grpc#16083)

Node gRPC v1.14.2

Node changes:

• Fixes source packages (#501)

Node gRPC v1.14.1

Node changes:

• Fix segmentation fault when calling some methods on a closed channel (#492)
• Fix missing return type on Channel#watchConnectivityState in TypeScript type definitions file (#496).

Node gRPC v1.14.0

Node changes:

• Add Channel class and Client channel override options to public API (#446)
• Add checkServerIdentity callback option to client SSL credentials (#403 contributed by @JackOfMostTrades)
• Fix handling of UTF-8 status messages (#428)
• Update CallOptions type to allow custom options (#437 contributed by @TLadd)
• Changed hosting path for prebuilt binaries (#458)

Core changes:

• Fixed ordering in adding pending picks to Round Robin LB. (grpc/grpc#15947)
• Prefer using https_proxy over http_proxy. (#15698)
• Add channel arg to enable/disable http proxy. (#15699)

Node gRPC v1.13.1

Node changes:

• Changed grpc.setLogger from using lodash's template to an inline function to avoid calling eval in production (#454).