tun2socks: matoleo yote na matoleo ya zamani

What's Changed
Features
- Feature: use pflag as drop-in replacement by @xjasonlyu in #513
- Feature(proxy): support ssh proxy protocol by @xjasonlyu in #519
- Feature: support custom ICMP message handling by @nange in #521
Fixes
- Fix: update gVisor dependency and modify UDP handler to return a boolean by @SuzukiHonoka in #487
- Fix: crash on multiple start/stop due to FD being closed twice by @vecljox in #495
- Fix(log): set log level for glog by @xjasonlyu in #511
- Fix(stack): respond to ICMPv4 echo messages by @xjasonlyu in #514
- Fix: icmp interface binding by @nange in #524
- Fix(build): remove unsupported windows/arm32 target by @xjasonlyu with @Copilot in #542
Others
- Refactor(proxy): registrable proxy protocol by @xjasonlyu in #517
- Refactor(engine): parse multicast groups by @xjasonlyu in #518
- Refactor(dialer): with socket options by @xjasonlyu in #525
- Refactor: ID should return a copy for TCP/UDPConn by @xjasonlyu in #522
- CI: add tun2socks e2e tests by @xjasonlyu in #510
- CI(test): update test workflow by @xjasonlyu in #516
- Chore: bump to go1.26 by @xjasonlyu in #526
New Contributors
- @vecljox made their first contribution in #495
- @xjasonlyu with @Copilot made their first contribution in #542
Full Changelog: v2.6.0...v2.7.0

What's Changed
License Update
- LICENSE: switch to MIT by @xjasonlyu in #462
New Features
- Feature: fdbased open fd with offset by @myloft in #272
- Feature: Add support for multicast by @Amaindex in #245
- Feature: persistent wintun with GUID option by @xjasonlyu in #301
- Feature: set open FD offset for iOS by @hossinasaadi in #418
- Feature: add make for loong64 by @xunmi-git in #427
- Feature(proxy): support gost relay protocol by @xjasonlyu in #310
- Feature(docker): add options for multicast groups by @xjasonlyu in #290
- Feature(socks5): support abstract namespace unix sock by @SuzukiHonoka in #436
Improvement & Fixes
- Improve(actions): add concurrency groups by @xjasonlyu in #289
- Improve: use embedded go-shadowsocks2 by @xjasonlyu in #306
- Improve(proxy/ss): allow explicit none cipher mode by @xjasonlyu in #312
- Improve: optimize the memory footprint under SOCKS5 when USERNAME/PASSWORD authentication is used by @cty123 in #315
- Fix: defer func for safeConnClose by @xjasonlyu in #309
- Fix: call SetSendBufferSize when setting send buffer size option by @niconorsk in #336
- Fix: safely split command strings by @xjasonlyu in #340
- Fix: socks5 usernames and passwords can BOTH be up to 255 bytes by @Yawning in #343
- Fix: codeql autobuild error by @xjasonlyu in #355
- Fix: mutex never unlocked on error by @devil666face in #456
- Refactor: direct proxy parsing by @xjasonlyu in #308
- Refactor(debug): simplify version string by @xjasonlyu in #380
- Refactor(log): use go.uber.org/zap by @xjasonlyu in #389
- Refactor(tunnel): modularize tunnel pkg by @xjasonlyu in #393
- Refactor(core): replace net.IP with netip.Addr by @xjasonlyu in #395
- Refactor(metadata): replace net.IP with netip.Addr by @xjasonlyu in #396
- Refactor(socks): replace net.IP with netip.Addr by @xjasonlyu in #397
- Refactor(pool): move to internal by @xjasonlyu in #398
- Refactor(pool): use generic buffer/pool by @xjasonlyu in #399
- Refactor: bufferpool new function by @xjasonlyu in #407
- Refactor(dialer): use DefaultDialer by @xjasonlyu in #465
New Contributors
- @Amaindex made their first contribution in #245
- @cty123 made their first contribution in #315
- @niconorsk made their first contribution in #336
- @Yawning made their first contribution in #343
- @dependabot made their first contribution in #370
- @hossinasaadi made their first contribution in #418
- @xunmi-git made their first contribution in #427
- @SuzukiHonoka made their first contribution in #436
- @devil666face made their first contribution in #456
Full Changelog: v2.5.2...v2.6.0

Bug Fixes
- Fix: HTTP proxy basic auth error (#266)

What's Changed
- Feature: log support setting output by @myloft in #248
- CI: update golangci-lint config by @xjasonlyu in #251
- Fix: packets sending issue on certain Linux platform by @xjasonlyu in #254
- Fix: fix panic when unassigned reply code arrives. by @ghostiam in #255
New Contributors
- @ghostiam made their first contribution in #255