v4.39.2

[xiaokangwang]

Features

• Websocket: support header based Websocket early data & its partial browser forwarder support
  • docs: Websocket
• GeoData: add a memory efficient geodata decoder called memconservative for memory-limited devices
  • docs: Environment variable
  • Refactor: memory-efficient geo file decoder #934 Fix: code not found in geo files #953 fix: geodata reader for multi-platform compatibility #964 Refinement: geodata decoder remove unnecessary GC & export methods for 3rd party #965 Refine geodata related tests #967 Feat: add geodata loader benchmark #977 Thanks @Loyalsoldier @rurirei
• HTTP/2 Transport: support to set method and headers for outgoing connections
  • docs: HTTP/2
• TCP Socket Option: support to set keepalive interval on Linux operating system
  • docs: Transport
  • Fix: add keep alive request duration to configs #962 Thanks @therealak12

Fixes

• BrowserForwarder panics with empty config (fix: call IP() when listenAddr is empty #954) Thanks @AkinoKaede @Loyalsoldier
• FakeDNS prints error with empty config (Fix: FakeDNS prints error with empty config #955) Thanks @Loyalsoldier
• Dual stack FakeDNS Close method (Fix: multi FakeDNS Close method #956) Thanks @Loyalsoldier
• Observatory starts with empty config & fails to close (Fix: observatory starts with empty config & fails to close #957) Thanks @Loyalsoldier
• Null check on alternative system dialer (fix: nullcheck on alternative systemDialer #959) Thanks @rurirei
• Fixed the chain proxy support for grpc and h2 transport.
• Fixed leastping logic. Update strategy_leastping.go #1019 Thanks @fanyiguang
• v2ctl is unable to create geo data loaders. Fix: v2ctl is unable to create geo data loaders #1014 Thanks @ght99

Chores

• Use Go v1.16.3
• Update dependencies

Notices

• Some unintentionally published APIs have been removed. 620d8f1
• API introduced in feat: update bootstrap_dns_android #966 is unsupported, and will be removed once a permanent solution is available.
• VMess: From Jan 1, 2022, compatibility for legacy VMess MD5 will be disabled by default. Visit here for more information.
• You are able to compile exactly the same binaries as the ones in Assets section below by simply following the compiling guide.

For downstream developers

The Go module name of v2ray-core has been changed to github.com/v2fly/v2ray-core/v4. Do NOT use v2ray.com/core anymore.

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This discussion was created from the release v4.39.2.