.. _changelog:
================
Change history
================
This document contains change notes for bugfix releases in
the 4.1.x series (latentcall), please see :ref:`whatsnew-4.1` for
an overview of what's new in Celery 4.1.
Unreleased
==========
- **Canvas**: request on_timeout now ignores soft time limit exception
to give a chance for task to recover.
Contributed by **Alex Garel**
.. _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`