Feature comparison of grpc and @grpc/grpc-js packages

Feature	grpc (deprecated)	@grpc/grpc-js
Client	✔️	✔️
Server	✔️	✔️
Unary RPCs	✔️	✔️
Streaming RPCs	✔️	✔️
Deadlines	✔️	✔️
Cancellation	✔️	✔️
Automatic Reconnection	✔️	✔️
Per-message Compression	✔️	✔️ (except messages sent by the server)
Channel State	✔️	✔️
JWT Access and Service Account Credentials	provided by the Google Auth Library	provided by the Google Auth Library
Interceptors	✔️	✔️
Connection Keepalives	✔️	✔️
HTTP Connect Support	✔️	✔️
Retries	✔️ (without hedging)	✔️ (including hedging)
Stats/tracing/monitoring	✔️	❌
Load Balancing	✔️	✔️
Initial Metadata Options	✔️	only waitForReady

Other Properties	grpc	@grpc/grpc-js
Pure JavaScript Code	❌	✔️
Supported Node Versions	>= 4 and <=14	^8.13.0 or >=10.10.0
Supported Electron Versions	<=11.2	>= 3
Supported Platforms	Linux, Windows, MacOS	All
Supported Architectures	x86, x86-64, ARM7+	All

In addition, all channel arguments defined in this header file are handled by the grpc library. Of those, a subset are handled by the @grpc/grpc-js library. See the README for @grpc/grpc-js for the list of supported channel options.