Puma 4.1.0 发布，Puma是为速度与并发而生的。Puma是一个为Ruby web程序提供高速处理以及HTTP 1.1并发的服务器小型库。它被设计只用来运行Rack程序

速度对比：

该版本详细改进记录包括：

• 4 新特性

  • Add REQUEST_PATH on parse error message (#1831)
  • You can now easily add custom log formatters with the log_formatter config option (#1816)
  • Puma.stats now provides process start times (#1844)
  • Add support for disabling TLSv1.1 (#1836)

• 7 个 bug 修复

  • Fix issue where Puma was creating zombie process entries (#1887)
  • Fix bugs with line-endings and chunked encoding (#1812)
  • RACK_URL_SCHEME is now set correctly in all conditions (#1491)
  • We no longer mutate global STDOUT/STDERR, particularly the sync setting (#1837)
  • SSL read_nonblock no longer blocks (#1857)
  • Swallow connection errors when sending early hints (#1822)
  • Backtrace no longer dumped when invalid pumactl commands are run (#1863)

• 5 个其他改进

  • Avoid casting worker_timeout twice (#1838)
  • Removed a call to private that wasn't doing anything (#1882)
  • README, Rakefile, docs and test cleanups (#1848, #1847, #1846, #1853, #1859, #1850, #1866, #1870, #1872, #1833, #1888)
  • Puma.io has proper documentation now (https://puma.io/puma/)
  • Added the Contributor Covenant CoC

• 1 已知问题

  • Some users are still experiencing issues surrounding socket activation and Unix sockets (#1842)

(文/开源中国)