.. _changelog-4.1:

================ Change history

This document contains change notes for bugfix releases in the 4.1.x series, please see :ref:whatsnew-4.2 for an overview of what's new in Celery 4.2.

.. _version-4.1.1:

4.1.1

:release-date: 2018-05-21 12:48 PM PST :release-by: Omer Katz

.. important::

Please upgrade as soon as possible or pin Kombu to 4.1.0.

• Breaking Change: The module async in Kombu changed to asynchronous.

Contributed by Omer Katz & Asif Saifuddin Auvi

.. _version-4.1.0:

4.1.0

:release-date: 2017-07-25 00:00 PM PST :release-by: Omer Katz

• Configuration: CELERY_SEND_EVENTS instead of CELERYD_SEND_EVENTS for 3.1.x compatibility (#3997)

Contributed by abhinav nilaratna.

• App: Restore behavior so Broadcast queues work. (#3934)

Contributed by Patrick Cloke.

• Sphinx: Make appstr use standard format (#4134) (#4139)

Contributed by Preston Moore.

• App: Make id, name always accessible from logging.Formatter via extra (#3994)

Contributed by Yoichi NAKAYAMA.

• Worker: Add worker_shutting_down signal (#3998)

Contributed by Daniel Huang.

• PyPy: Support PyPy version 5.8.0 (#4128)

Contributed by Omer Katz.

• Results: Elasticsearch: Fix serializing keys (#3924)

Contributed by :github_user:staticfox.

• Canvas: Deserialize all tasks in a chain (#4015)

Contributed by :github_user:fcoelho.

• Systemd: Recover loglevel for ExecStart in systemd config (#4023)

Contributed by Yoichi NAKAYAMA.

• Sphinx: Use the Sphinx add_directive_to_domain API. (#4037)

Contributed by Patrick Cloke.

• App: Pass properties to before_task_publish signal (#4035)

Contributed by Javier Domingo Cansino.

• Results: Add SSL option for Redis backends (#3831)

Contributed by Chris Kuehl.

• Beat: celery.schedule.crontab: fix reduce (#3826) (#3827)

Contributed by Taylor C. Richberger.

• State: Fix celery issues when using flower REST API

Contributed by Thierry RAMORASOAVINA.

• Results: Elasticsearch: Fix serializing document id.

Contributed by Acey9.

• Beat: Make shallow copy of schedules dictionary

Contributed by Brian May.

• Beat: Populate heap when periodic tasks are changed

Contributed by Wojciech Żywno.

• Task: Allow class methods to define tasks (#3952)

Contributed by georgepsarakis.

• Platforms: Always return boolean value when checking if signal is supported (#3962).

Contributed by Jian Yu.

• Canvas: Avoid duplicating chains in chords (#3779)

Contributed by Ryan Hiebert.

• Canvas: Lookup task only if list has items (#3847)

Contributed by Marc Gibbons.

• Results: Allow unicode message for exception raised in task (#3903)

Contributed by George Psarakis.

• Python3: Support for Python 3.6 (#3904, #3903, #3736)

Contributed by Jon Dufresne, George Psarakis, Asif Saifuddin Auvi, Omer Katz.

• App: Fix retried tasks with expirations (#3790)

Contributed by Brendan MacDonell.

• • Fixes items format route in docs (#3875)

Contributed by Slam.

• Utils: Fix maybe_make_aware (#3850)

Contributed by Taylor C. Richberger.

• Task: Fix task ETA issues when timezone is defined in configuration (#3867)

Contributed by George Psarakis.

• Concurrency: Consumer does not shutdown properly when embedded in gevent application (#3746)

Contributed by Arcadiy Ivanov.

• Canvas: Fix #3725: Task replaced with group does not complete (#3731)

Contributed by Morgan Doocy.

• Task: Correct order in chains with replaced tasks (#3730)

Contributed by Morgan Doocy.

• Result: Enable synchronous execution of sub-tasks (#3696)

Contributed by shalev67.

• Task: Fix request context for blocking task apply (added hostname) (#3716)

Contributed by Marat Sharafutdinov.

• Utils: Fix task argument handling (#3678) (#3693)

Contributed by Roman Sichny.

• Beat: Provide a transparent method to update the Scheduler heap (#3721)

Contributed by Alejandro Pernin.

• Beat: Specify default value for pidfile option of celery beat. (#3722)

Contributed by Arnaud Rocher.

• Results: Elasticsearch: Stop generating a new field every time when a new result is being put (#3708)

Contributed by Mike Chen.

• Requirements

  • Now depends on :ref:Kombu 4.1.0 <kombu:version-4.1.0>.

• Results: Elasticsearch now reuses fields when new results are added.

  Contributed by Mike Chen.

• Results: Fixed MongoDB integration when using binary encodings (Issue #3575).

  Contributed by Andrew de Quincey.

• Worker: Making missing *args and **kwargs in Task protocol 1 return empty value in protocol 2 (Issue #3687).

  Contributed by Roman Sichny.

• App: Fixed :exc:TypeError in AMQP when using deprecated signal (Issue #3707).

  Contributed by :github_user:michael-k.

• Beat: Added a transparent method to update the scheduler heap.

  Contributed by Alejandro Pernin.

• Task: Fixed handling of tasks with keyword arguments on Python 3 (Issue #3657).

  Contributed by Roman Sichny.

• Task: Fixed request context for blocking task apply by adding missing hostname attribute.

  Contributed by Marat Sharafutdinov.

• Task: Added option to run subtasks synchronously with disable_sync_subtasks argument.

  Contributed by :github_user:shalev67.

• App: Fixed chaining of replaced tasks (Issue #3726).

  Contributed by Morgan Doocy.

• Canvas: Fixed bug where replaced tasks with groups were not completing (Issue #3725).

  Contributed by Morgan Doocy.

• Worker: Fixed problem where consumer does not shutdown properly when embedded in a gevent application (Issue #3745).

  Contributed by Arcadiy Ivanov.

• Results: Added support for using AWS DynamoDB as a result backend (#3736).

  Contributed by George Psarakis.

• Testing: Added caching on pip installs.

  Contributed by :github_user:orf.

• Worker: Prevent consuming queue before ready on startup (Issue #3620).

  Contributed by Alan Hamlett.

• App: Fixed task ETA issues when timezone is defined in configuration (Issue #3753).

  Contributed by George Psarakis.

• Utils: maybe_make_aware should not modify datetime when it is already timezone-aware (Issue #3849).

  Contributed by Taylor C. Richberger.

• App: Fixed retrying tasks with expirations (Issue #3734).

  Contributed by Brendan MacDonell.

• Results: Allow unicode message for exceptions raised in task (Issue #3858).

  Contributed by :github_user:staticfox.

• Canvas: Fixed :exc:IndexError raised when chord has an empty header.

  Contributed by Marc Gibbons.

• Canvas: Avoid duplicating chains in chords (Issue #3771).

  Contributed by Ryan Hiebert and George Psarakis.

• Utils: Allow class methods to define tasks (Issue #3863).

  Contributed by George Psarakis.

• Beat: Populate heap when periodic tasks are changed.

  Contributed by :github_user:wzywno and Brian May.

• Results: Added support for Elasticsearch backend options settings.

  Contributed by :github_user:Acey9.

• Events: Ensure Task.as_dict() works when not all information about task is available.

  Contributed by :github_user:tramora.

• Schedules: Fixed pickled crontab schedules to restore properly (Issue #3826).

  Contributed by Taylor C. Richberger.

• Results: Added SSL option for redis backends (Issue #3830).

  Contributed by Chris Kuehl.

• Documentation and examples improvements by:

  • Bruno Alla
  • Jamie Alessio
  • Vivek Anand
  • Peter Bittner
  • Kalle Bronsen
  • Jon Dufresne
  • James Michael DuPont
  • Sergey Fursov
  • Samuel Dion-Girardeau
  • Daniel Hahler
  • Mike Helmick
  • Marc Hörsken
  • Christopher Hoskin
  • Daniel Huang
  • Primož Kerin
  • Michal Kuffa
  • Simon Legner
  • Anthony Lukach
  • Ed Morley
  • Jay McGrath
  • Rico Moorman
  • Viraj Navkal
  • Ross Patterson
  • Dmytro Petruk
  • Luke Plant
  • Eric Poelke
  • Salvatore Rinchiera
  • Arnaud Rocher
  • Kirill Romanov
  • Simon Schmidt
  • Tamer Sherif
  • YuLun Shih
  • Ask Solem
  • Tom 'Biwaa' Riat
  • Arthur Vigil
  • Joey Wilhelm
  • Jian Yu
  • YuLun Shih
  • Arthur Vigil
  • Joey Wilhelm
  • :github_user:baixuexue123
  • :github_user:bronsen
  • :github_user:michael-k
  • :github_user:orf
  • :github_user:3lnc