Getting startedGuidesReferenceChangelog
Apoxy:// Docs / Changelog / v0.19.0

Apoxy v0.19.0

The tunnel subsystem receives significant performance enhancements through optimized TCP stack tuning, increased buffer limits, and async send queues per connection, while improved connection monitoring and proactive endpoint draining boost overall reliability.

This release focuses on significant performance improvements to the tunnel subsystem and enhanced reliability through better connection management and monitoring.

Features

  • Add async send queues per connection in muxer (35ccced)
  • Add push-based TCP stats metrics (d04674d)
  • Replace overlay metrics scraping with push over HTTP/3 (744e089)
  • Add BFD server onDown callback for proactive endpoint drain (e08e06a)
  • Distribute tunnel workers across multiple relay addresses (385787d)

Bug Fixes

  • Fix BFD goroutine leak and missing connections gauge decrement (9faf84b)
  • Fix Geneve MTU update on reload (17435fb)
  • Fix homebrew tap updater by embedding formula template (a618679)

Improvements

  • Tune TCP stack for high throughput (74add4f, 050d125)
  • Bump TUN MTU to 1420 (17435fb)
  • Bump upstream per-connection buffer limit to 1 MiB (cf38c3d)

Infrastructure

  • Bump builder image to golang:1.25-bookworm (8657bfd)
  • Switch quic-go and gvisor to remote fork refs (4cd8125)
  • Add workflow_dispatch to release for manual homebrew formula updates (d03ad8c)

Full Changelog: v0.18.1...v0.19.0