# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [0.3.1] - 2026-01-06

### Fixed

- Reduced opam package size from 87MB to ~200KB by using `git archive` for tarball creation

## [0.2.1] - 2026-01-04

### Fixed

- **Server port binding now fails correctly when port is already in use.** Previously, `reuse_port` defaulted to `true`, which enabled `SO_REUSEPORT` and allowed multiple processes to silently bind to the same port. This caused confusing behavior where a new server would start successfully but only receive a fraction of connections. Now `reuse_port` defaults to `false`, and binding to an already-used port will fail with a clear error.

### Changed

- `Server.default_config.reuse_port` now defaults to `false` instead of `true`.
- Users who intentionally want multiple processes sharing a port (for load balancing) can enable it explicitly via `{ config with reuse_port = true }`.

## [0.2.0] - 2026-01-03

### Added

- Phoenix-style three-layer plug architecture
- Pipeline module for reusable plug collections
- Endpoint module for global plug entry point
- Scoped authentication with `Plug.Auth` pipeline

### Changed

- Refactored plug system to match Phoenix conventions
- Improved router with per-route plug support

## [0.1.0] - Initial Release

### Added

- HTTP/1.1 and HTTP/2 client and server
- WebSocket support (RFC 6455)
- Server-Sent Events (SSE)
- Lock-free pub/sub messaging
- Connection pooling
- TLS support via tls-eio
- Static file serving
- Gzip/zstd compression
- CORS, CSRF, rate limiting plugs
- CLI tools: `hc` (client) and `hs` (file server)