v5.0.6 Developer Preview

v5.0.5 Developer Preview

This is a pre-release version of V2Ray intended for developer preview. Users are not advised to use this version right now. Contributors are encouraged to send pull requests to the V5 version of the codebase.
This release note is being edited to reflect all significant changes made to the codebase, please contact us if you think something is missing.
Most new features are currently undocumented. The documents will be updated over time.

!!! SECURITY !!!

Fix TLS Client Certificate Verify setting is not applied. Most users do not use this feature in V5.

!!! BREAKING !!!

TLS Certificates are required to have usage set to AUTHORITY_VERIFY, or AUTHORITY_VERIFY_CLIENT to be recognized as respective CA.

New Features

• Jsonv5 New configuration format. This enables support for automatic component recognition.
  • ZH Document is work in progress.
  • EN Document is work in progress.
  • Thanks @AkinoKaede, @kslr, @mzz2017.
• VLite UDP P2P focused proxy protocol with Full Cone, Forward Error Correction, Self-Healing Connection(Connection Stabilization) support.
  • UDP based VLite support was added in #1732.
  • The ZH EN documents have been updated.
• UDP PacketAddr UDP endpoint independent mapping(aka Full Cone) support.
• SocksOpt Add KeepAlive Support. Thanks @ValdikSS .
• SocksOpt Add BindToDevice Support. Thanks @database64128 .
• SocksOpt Add Rx/TxBuf Size Support.
• Burst Observatory Measure connection quality to a significant amount of outbound at the same time. Thanks @qjebbs.
• Multi Observatory Run more than one Observatory at the same time.
• Router Load balancing strategy LeastLoad. Thanks @qjebbs.
• Jsonv4 Additional representation format for Jsonv4 configure file format. This includes YAML, TOML. Thanks @qjebbs.
• Jsonv4 General purpose merger for all configure formats. Thanks @qjebbs.
• Shadowsocks Reduced IV Head Entropy Experiment. Thanks GFWReport and other collaborators.
• CLI Reworked command line Interface. Thanks @qjebbs.
• Developer Assistance Protobuf configure format reverse engineering.
• Asset Search for assets in xdg data directories on non-windows platforms #1578 Thanks @NickCao.
• DNS Feat: refine find IPs logic for DoH. Thanks @AkinoKaede .
• gRPC Feat: make gRPC dialer accept socket config #1697 Thanks @dyhkwong

Fixes

• Router Fixed a memory leak bug caused by requiring component.
• FakeDNS Fix a concurrency issue in fakedns #1666 Thanks @yuhan6665 .
• Jsonv5 Fix: context of DNS simplified config #1665 Thanks @AkinoKaede .
• DNS Fix: fix failure of cache expired DNS record querying over DoH #1706 Thanks @KujouRinka.
• DNS Fix: failure of cache expired DNS record querying over DoQ. Thanks @AkinoKaede .
• Fix client dialer log #1568 Thanks @yuhan6665 @AkinoKaede @kslr.
• Fix: net.Address type checking #1629 Thanks @1ocalhost
• Fix "disable quit on connection interrupt" #1763 Thanks @dyhkwong
• Fix TLS Client Certificate Verify Not Applied

Chores

• Test: Add statistics in conn testing #1444 Thanks @yuhan6665 @kslr .
• Chore: bump github.com/lucas-clemente/quic-go to 0.27.0 Thanks @AkinoKaede .
• Fix: lint setting for revive #1758 Thanks @Loyalsoldier
• Fix: gci command for formatting code #1757 Thanks @Loyalsoldier