Phoenix 1.4.0 首个 RC 版本已发布，新版本将支持 Cowboy 2 ，并引入 Phoenix.Socket.Transport 。

具体改进内容如下：

• [ChannelTest] Respect user's configured ExUnit :assert_receive_timeout for macro assertions

• [Controller] Support partial file downloads with :offset and :length options to send_download/3

• [Controller] Add additional security headers to put_secure_browser_headers (x-content-type-options, x-download-options, and x-permitted-cross-domain-policies)

• [Controller] Add put_router_url/2 to override the default URL generation pulled from endpoint configuration

• [Endpoint] Add Cowboy2Adapter for HTTP2 support with cowboy2

• [Endpoint] The socket/3 macro now accepts direct configuration about websockets and longpoll

• [Endpoint] Support MFA function in :check_origin config for custom origin checking

• [Endpoint] Add new :phoenix_error_render instrumentation callback

• [Logger] Add whitelist support to filter_parameters logger configuration, via new :keep tuple format

• [Phoenix] Add Phoenix.json_library/0 and replace Poison with Jason for JSON encoding in new projects

• [Router] Display list of available routes on debugger 404 error page

• [Router] Raise on duplicate plugs in pipe_through scopes

• [Presence] Add Presence.get_by_key to fetch presences for specific user

• [Socket] Add new phoenix_socket_connect instrumentation

• [Logger] Log calls to user socket connect

更多细节可查阅发行说明

Phoenix 是一个函数式编程语言 Elixir 的 Web 开发框架。

源码下载：

• Source code(zip)

• Source code(tar.gz)