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PyPI · #2964 most downloaded on PyPI
Python client for the Unleash feature toggle system!
Last release 2 months ago
21 Jul 2026
Release timing varies
gaps range from 2 weeks to 4 months
Nearly every release is documented
notes for 59 of the last 60 stable releases
1 version withdrawn
withdrawn after publishing
8 years old
79 releases · first in 2018
Custom constraints check should check for values in the properties sub-property in the context as specified by Unleash context documentation.
Bugfixes
properties sub-property in the context as specified by Unleash context documentation.(Minor) Add official-ish support for Python 3.8.
General
One column per quarter.
This is a breaking change! To update your custom strategy, please checkout the custom strategy migration guide.
(Minor) Add ability to add request kwargs when initializing the client. These will be used when registering the client, fetching feature flags, and se
General
(Minor) Unleash client will not error if cache is not present and Unleash server not accessible during initialization.
General
(Minor) Added static context values (app name, env) in preparation for Unleash v4 features.
General
(Minor) Add option to disable metrics on client initialization.
General
Bugfix
disable_metrics arugment wasn't honored.(Major) Date/time sent to Unleash (in register, metrics, etc) is correctly in UTC w/timestamp format.
Bugfixes
Allow configuration of the cache directory.
(Major) Support for Python 3.5, 3.6, and 3.7. (Credit to Baaym for 3.5 support!)
General
(Major) Fix issue where bucket.start value sent to Unleash was never updated. Credit to Calle for bug report/proposed solution! =)
Bugfixes
bucket.start value sent to Unleash was never updated. Credit to Calle for bug report/proposed solution! =)(Major) Removed hard-coded /api/ in Unleash server URLs. Before upgrading, please adjust your server URL accordingly (i.e. changing http://unleash.her
Bugfixes
/api/ in Unleash server URLs. Before upgrading, please adjust your server URL accordingly (i.e. changing http://unleash.heroku.com to http://unleash.heroku.com/api).unleash-client-python has moved under the general Unleash project!
General
Bugfixes
Nothing published for this version
General * Implemented custom strategies.
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Implemented client specification tests.
General
Bugfixes
Changed cache implementation. Instead of caching {feature toggle name: provisioning} we'll now cache the entire API response (and use it if the fetch
General
Removed unused sphinx documentation.
General
First implementation of the Unleash Python client! Woo!
General
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