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Puma v6.0.0 Release Notes

Release Date: 2022-10-14 // over 1 year ago

    • 💥 Breaking Changes

      • Dropping Ruby 2.2 and 2.3 support (now 2.4+) ([#2919])
      • Remote_addr functionality has changed ([#2652], [#2653])
      • No longer supporting Java 1.7 or below (JRuby 9.1 was the last release to support this) ([#2849])
      • Remove nakayoshi GC ([#2933], [#2925])
      • wait_for_less_busy_worker is now default on ([#2940])
      • Prefix all environment variables with PUMA_ ([#2924], [#2853])
      • Removed some constants ([#2957], [#2958], [#2959], [#2960])
      • The following classes are now part of Puma's private API: Client, Cluster::Worker, Cluster::Worker, HandleRequest. ([#2988])
      • Configuration constants like DefaultRackup removed ([#2928])
      • Extracted LogWriter from Events ([#2798])

    • 🔋 Features

      • Increase throughput on large (100kb+) response bodies by 3-10x ([#2896], [#2892])
      • Increase throughput on file responses ([#2923])
      • Add support for streaming bodies in Rack. ([#2740])
      • Allow OpenSSL session reuse via a 'reuse' ssl_bind method or bind string query parameter ([#2845])
      • Allow run_hooks to pass a hash to blocks for use later ([#2917], [#2915])
      • Allow using preload_app! with fork_worker ([#2907])
      • Support request_body_wait metric with higher precision ([#2953])
      • Allow header values to be arrays (Rack 3) ([#2936], [#2931])
      • Export Puma/Ruby versions in /stats ([#2875])
      • Allow configuring request uri max length & request path max length ([#2840])
      • Add a couple of public accessors ([#2774])
      • Log entire backtrace when worker start fails ([#2891])
      • [jruby] Enable TLSv1.3 support ([#2886])
      • [jruby] support setting TLS protocols + rename ssl_cipher_list ([#2899])
      • [jruby] Support a truststore option ([#2849], [#2904], [#2884])

    • 🛠 Bugfixes

      • Load the configuration before passing it to the binder ([#2897])
      • Do not raise error raised on HTTP methods we don't recognize or support, like CONNECT ([#2932], [#1441])
      • Fixed a memory leak when creating a new SSL listener ([#2956])

    • 🔨 Refactor

      • log_writer.rb - add internal_write method ([#2888])
      • Extract prune_bundler code into it's own class. ([#2797])
      • Refactor Launcher#run to increase readability (no logic change) ([#2795])
      • Ruby 3.2 will have native IO#wait_* methods, don't require io/wait ([#2903])
      • Various internal API refactorings ([#2942], [#2921], [#2922], [#2955])

Previous changes from v5.6.5

    • 🔋 Feature

      • Puma::ControlCLI - allow refork command to be sent as a request ([#2868], [#2866])

    • 🛠 Bugfixes

      • NullIO#closed should return false ([#2883])
      • [jruby] Fix TLS verification hang ([#2890], [#2729])
      • extconf.rb - don't use pkg_config('openssl') if '--with-openssl-dir' is used ([#2885], [#2839])
      • MiniSSL - detect SSL_CTX_set_dh_auto ([#2864], [#2863])
      • Fix rack.after_reply exceptions breaking connections ([#2861], [#2856])
      • Escape SSL cert and filenames ([#2855])
      • Fail hard if SSL certs or keys are invalid ([#2848])
      • Fail hard if SSL certs or keys cannot be read by user ([#2847])
      • Fix build with Opaque DH in LibreSSL 3.5. ([#2838])
      • Pre-existing socket file removed when TERM is issued after USR2 (if puma is running in cluster mode) ([#2817])
      • Fix Puma::StateFile#load incompatibility ([#2810])