What's new in HAProxy 3.4: dynamic backends and more
HAProxy 3.4 introduces dynamic backend automation, smarter memory management, and native cryptographic operations to the world's fastest and most widely used software load balancer. This release enables distributed tracing at the proxy layer, greater automation in modern architectures, and new API security capabilities at scale.
Watch our webinar to explore these features in depth:
Dynamic backend management, which lets you add, publish, and delete backends at runtime via the HAProxy Runtime API, enabling full automation in modern architectures.
Smarter buffer allocation, assigning large buffers only where needed and small buffers to queued requests, reducing memory footprint without touching the global buffer size.
Up to 20% higher request rate on large-core-count systems through improved efficiency, with no configuration changes required.
Native JWT decryption and AES converters at the proxy layer, enabling token validation and payload inspection before requests reach your upstream services.
Enhanced ACME support, including DNS-PERSIST-01, External Account Binding (EAB), certificate profiles, and IP SANs, making automated TLS management more flexible and easier to operate at scale.
Expanded attack resistance and reliability, including glitch detection now covering HTTP/1 alongside H2 and QUIC, and stream elasticity to moderate concurrent H2 and H3 streams under load.
Native OpenTelemetry support, which allows HAProxy to emit trace, log, and metric data to any OTel-compatible backend, making HAProxy a first-class participant in your distributed tracing pipeline.
This webinar is a unique opportunity to hear directly from HAProxy experts, see the new features in action, and stay ahead of the curve.
Don't miss out!