Update puma 6.6.0 → 7.0.1 (major)

[depfu]

Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ puma (6.6.0 → 7.0.1) · Repo · Changelog

Release Notes

7.0.1

What's Changed

• Add backward compatibility aliases for Events class methods by @tannakartikey in #3725

Full Changelog: v7.0.0...v7.0.1

7.0.0

7.0.0

• Breaking changes
  • Set default max_keep_alive to 999 ([#3719])
  • Increase persistent_timeout default to 65 seconds ([#3378])
  • Raise an ArgumentError if no block given to hooks ([#3377])
  • Don't set env['HTTP_VERSION'] for Rack > 3.1 ([#3711], [#3576])
  • Runner.rb - remove ruby_engine method, deprecated Nov-2024 ([#3701])
  • Set conditional config defaults after CLI options are parsed and config files are loaded ([#3297])
  • Response headers set to lowercase ([#3704])
  • Update minimum Ruby version to 3.0 ([#3698])
  • Rename callback hooks ([#3438])

Old hook name	New hook name
on_worker_boot	before_worker_boot
on_worker_shutdown	before_worker_shutdown
on_restart	before_restart
on_booted	after_booted
on_stopped	after_stopped
on_refork	before_refork
on_thread_start	before_thread_start
on_thread_exit	before_thread_exit
on_worker_fork	before_worker_fork

• Features

  • Fix long tail response problem with keepalive connections ([#3678]) (Previously released in 7.0.0.pre1, this was a high effort change)
  • Introduce support for fiber-per-request. ([#3101])
  • Add support for rack.response_finished ([#3681])
  • Feature/support custom logger with request logs ([#3140])

• Bugfixes

  • Fixes a bug where triggering hooks in the ThreadPool fails ([#3716])
  • Fix error_logger inproperly logging env[QUERY_STRING] ([#3713], [#3625])
  • Fix handling of invalid Transfer-Encoding header errors ([#3702])
  • Fix socket leak on monitor wakeup NoMethodError in Reactor#select_loop ([#3696], [#3695])
  • CI: puma_socket.rb fixup socket/request writes ([#3684])
  • Warn when RUBY_MN_THREADS env var is set ([#3721])
  • Improve the DSL preload_app! doc ([#3712])
  • Fix the ability to focus individual tests ([#3705])
  • Set env['rack.hijack'] to client.method(:full_hijack) ([#3073])

• Performance

  • server.rb - initialize ivars @reactor and @env_set_http_version ([#3714])

• Refactor

  • Simplify Puma::DSL#process_hook logic ([#3710])
  • Dry up deprecation warnings and fix deprecation warnings when running CI. ([#3709], [#3708])
  • Ensure and enforce that configs are loaded before options are accessed ([#3616])

6.6.1

6.6.1 / 2025-07-30

• Bugfixes
  • Accept to_path to be nil on request bodies ([#3635])
  • Fix single runner stats before the server start ([#3572])
  • Fix incomplete worker boot state on refork ([#3601])
  • Improve HttpParserError messages for better debugging ([#3586])
  • Fix refork logs to distinguish from phased restarts ([#3598])
  • Fix rack.after_reply so it doesn't interrupt chain on error ([#3680])

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 73 commits:

• 7.0.1 (#3728)
• Add backward compatibility aliases for Events class methods (#3725)
• Remove #3716 from changelog (#3727)
• v7.0.0 (#3722)
• Warn when RUBY_MN_THREADS env var is set (#3721)
• Set default keepalive connections to 999 (#3719)
• Fixes a bug where triggering hooks in the ThreadPool fails (#3716)
• :bug Fix error_logger inproperly logging `env[QUERY_STRING]` (#3713)
• server.rb - initialize ivars `@reactor` and `@env_set_http_version` (#3714)
• Simplify `Puma::DSL#process_hook` logic (#3710)
• Improve the DSL `preload_app!` doc (#3712)
• Dry up deprecation warnings and fix deprecation warnings when running CI. (#3709)
• don't set env['HTTP_VERSION'] for Rack > 3.1 (#3711)
• runner,rb - remove `ruby_engine` method, deprecated Nov-2024 (#3701)
• [Fix puma#3044] Set conditional config defaults after CLI options are parsed and config files are loaded (#3297)
• Fix the ability to focus individual tests (#3705)
• Response headers set to lowercase (#3704)
• Introduce support for fiber-per-request. (#3101)
• Ensure and enforce that configs are loaded before options are accessed (#3616)
• Rename callback hooks (#3438)
• Fix handling of invalid Transfer-Encoding header errors (#3702)
• Fix socket leak on monitor wakeup `NoMethodError` in `Reactor#select_loop` (#3696)
• ci: misc test fixes and refactors (#3694)
• Update minimum Ruby version to 3.0 (#3698)
• Proposal to bump persistent_timeout to 65 seconds (#3378)
• Add support for `rack.response_finished` (#3681)
• Set env['rack.hijack'] to client.method(:full_hijack) (#3073)
• Feature/support custom logger with request logs (#3140)
• Raise an ArgumentError if no block given to hooks (#3377)
• ci: tests.yml - set 'allow-failure' to false for non MRI jobs (#3692)
• Build(deps): Bump actions/checkout from 4 to 5 (#3691)
• ci: test_integration_pumactl.rb - fix `control_gc_stats` for TruffleRuby head (#3689)
• ci: rack_conform.yml - Ruby 3.1 no longer supported (#3688)
• ci: integration.rb - add `Errno::ENOTSOCK` to client read errors
• ci: test_puma_server.rb - `read_response` won't work with multiple responses
• ci: test_puma_server_hijack.rb - use `puma_socket.rb`, fixups
• ci: test_puma\puma_socket.rb - add missing parenthesis
• ci: helpers\integration.rb - properly catch error in Thread
• ci: test_thread_pool.rb - remove `stub_const`, run parallel
• ci: Add Ubuntu and Windows arm jobs (#3651)
• Remove win-gem-test files and directory [ci skip] (#3640)
• CI: puma_socket.rb fixup socket/request writes (#3684)
• v7.0.0.pre1 (#3682)
• Fix long tail response problem - revised (#3678)
• v6.6.1 (#3679)
• `rack.after_reply` don't interrupt chain on error (#3680)
• Fix variable typo: stategy > strategy (#3669)
• CI: make `WEB_CONCURRENCY=auto` test pass on single core systems (#3665)
• Add '# frozen_string_literal: true' to all test files (#3663)
• Address rubocop plugin warning (#3661)
• ci: Fix Gemfiles for cgi removal in ruby head (#3656)
• bug: Accept `to_path` to be `nil` on request bodies (#3635)
• Link to official Ruby documentation (#3653)
• Update docs to show correct default value for worker_shutdown_timeout (#3652)
• Update Nate scheduling link [ci skip]
• Fix Dockerfile and bug_report.md (#3641)
• [CI] GHA workflows - remove Ubuntu 20.04 (#3649)
• Gemfile - add fiddle for Windows Ruby >= 3.5 (#3637)
• [CI] test.yml - allow non-MRI failure on compile (#3636)
• Fix single runner stats before the server start (#3572)
• Remove unused global $debugging_hold in test helper (#3614)
• CI: test_puma_server_ssl.rb -fix for `set_minmax_proto_version` removal (#3615)
• Update 'clustered mode' references to 'cluster mode' (#3613)
• Refactor `HttpParserError` handling, add `test/test_request_single.rb` (#3586)
• Remove DSL version comments, note fork_worker as experimental (#3611)
• Fix GHA badge in README.md [ci skip] (#3612)
• Remove redundant signal exists guards in tests (#3610)
• Update refork logs (#3598)
• CI: test_launcher.rb - move `test_puma_stats_clustered` to test_integration_clustered.rb (#3609)
• Fix incomplete worker boot state on refork (#3601)
• CI: integration.rb - catch Errno::EBADF in restart thread (#3608)
• CI: test/test_request_invalid.rb - fix macOS TruffleRuby failures (#3607)
• CI: test/helper.rb - place timeout checks inside Minitest capture_exceptions (#3606)

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Closed in favor of #373.