This document describes the current stable version of Celery (5.1). For development docs, go here.
This document contains change notes for bugfix & new features in the & 5.1.x series, please see What’s new in Celery 5.1 (Sun Harmonics) for an overview of what’s new in Celery 5.1.
2021-05-23 19.20 P.M UTC+3:00
celery -A app events -c cameranow works as expected. (#6774)
Bump minimum required Kombu version to 5.1.0.
2021-05-02 16.06 P.M UTC+3:00
Celery Mailbox accept and serializer parameters are initialized from configuration. (#6757)
Error propagation and errback calling for group-like signatures now works as expected. (#6746)
Fix sanitization of passwords in sentinel URIs. (#6765)
Add LOG_RECEIVED to customize logging. (#6758)
2021-05-02 16.06 P.M UTC+3:00
Fix the behavior of our json serialization which regressed in 5.0. (#6561)
Add support for SQLAlchemy 1.4. (#6709)
Safeguard against schedule entry without kwargs. (#6619)
task.apply_async(ignore_result=True)now avoids persisting the results. (#6713)
Update systemd tmpfiles path. (#6688)
Ensure AMQPContext exposes an app attribute. (#6741)
Inspect commands accept arguments again (#6710).
Chord counting of group children is now accurate. (#6733)
Add a setting
worker_cancel_long_running_tasks_on_connection_lossto terminate tasks with late acknowledgement on connection loss. (#6654)
task-revokedevent and the
task_revoked` signal are not duplicated when ``Request.on_failureis called. (#6654)
Restore pickling support for
Add support in the redis result backend for authenticating with a username. (#6750)
worker_poolsetting is now respected correctly. (#6711)
2021-04-02 10.25 P.M UTC+6:00
Asif Saif Uddin
Add sentinel_kwargs to Redis Sentinel docs.
Depend on the maintained python-consul2 library. (#6544).
Use result_chord_join_timeout instead of hardcoded default value.
Upgrade AzureBlockBlob storage backend to use Azure blob storage library v12 (#6580).
Improved integration tests.
pass_context for handle_preload_options decorator (#6583).
Makes regen less greedy (#6589).
Pytest worker shutdown timeout (#6588).
Exit celery with non zero exit value if failing (#6602).
Raise BackendStoreError when set value is too large for Redis.
Trace task optimizations are now set via Celery app instance.
Make trace_task_ret and fast_trace_task public.
reset_worker_optimizations and create_request_cls has now app as optional parameter.
Small refactor in exception handling of on_failure (#6633).
Fix for issue #5030 “Celery Result backend on Windows OS”.
Add store_eager_result setting so eager tasks can store result on the result backend (#6614).
Allow heartbeats to be sent in tests (#6632).
Fixed default visibility timeout note in sqs documentation.
Support Redis Sentinel with SSL.
Simulate more exhaustive delivery info in apply().
Start chord header tasks as soon as possible (#6576).
Forward shadow option for retried tasks (#6655).
–quiet flag now actually makes celery avoid producing logs (#6599).
Update platforms.py “superuser privileges” check (#6600).
Remove unused property autoregister from the Task class (#6624).
fnmatch.translate() already translates globs for us. (#6668).
Upgrade some syntax to Python 3.6+.
Add azureblockblob_base_path config (#6669).
Fix checking expiration of X.509 certificates (#6678).
Drop the lzma extra.
Fix JSON decoding errors when using MongoDB as backend (#6675).
Allow configuration of RedisBackend’s health_check_interval (#6666).
Safeguard against schedule entry without kwargs (#6619).
Docs only - SQS broker - add STS support (#6693) through kombu.
Drop fun_accepts_kwargs backport.
Tasks can now have required kwargs at any order (#6699).
Min py-amqp 5.0.6.
min billiard is now 184.108.40.206.
Minimum kombu now is5.1.0b1.
Numerous docs fixes.
Moved CI to github action.
Updated deployment scripts.
Initial support of python 3.9 added.