CHANGELOG.md

Changelog

5.1.1 (2026-01-05)

Bug Fixes

• use-typing-extension (#188) (a636536)

5.1.0 (2026-01-05)

Features

• added-trait-model-type (#186) (5c865ce)

CI

• pre-commit autoupdate (#180) (cafb3e2)
• pre-commit autoupdate (#185) (ef13716)

Other

• deps: bump urllib3 from 2.5.0 to 2.6.0 (#184) (efd43fd)

5.0.3 (2025-11-25)

Bug Fixes

• get_environment_flags includes segments in evaluation context (#179) (470c4e3)

Dependency Updates

• Bump flagsmith-flag-engine to 10.0.3 (#182) (cf54be5)

Other

• Standardize engine metadata (#177) (c0d57ec)

5.0.2 (2025-10-30)

Dependency Updates

• Bump flagsmith-flag-engine to 10.0.2 (#173) (9a0fc58)

5.0.1 (2025-10-28)

Bug Fixes

• TypeError: 'NoneType' object is not subscriptable (Python 3.11) (#170) (c20f543)
• ValueError: Invalid isoformat string on Python 3.10 (#168) (29dee4d)

Dependency Updates

• Bump flagsmith-flag-engine to 10.0.1 (#171) (ab093bd)

5.0.0 (2025-10-24)

⚠ BREAKING CHANGES

• Restore v3 OfflineHandler interface (#162)

Features

• Restore v3 OfflineHandler interface (#162) (374e292)
• Support feature metadata (#163) (1bbbdf8)
• Support variant priority (#161) (4f84044)

Bug Fixes

• get_identity_segments tries to return identity override segments (#159) (68d44a1)

CI

• pre-commit autoupdate (#158) (e2fe6eb)

Dependency Updates

• Bump flagsmith-flag-engine to 10.0.0 (#165) (68c40b5)
• bump urllib3 from 2.2.3 to 2.5.0 (#157) (5de9650)

4.0.1 (2025-09-19)

Bug Fixes

• Environment name not mapped to evaluation context (#153) (3fcae7c)
• Feature state django_id fields are not handled (#156) (860b630)

4.0.0 (2025-09-02)

⚠ BREAKING CHANGES

• Engine V7 compatibility (#150)

Features

• Engine V7 compatibility (#150) (5ecb078)
• Standardised User-Agent (#152) (a0e96c9)

Other

• Add CODEOWNERS (#148) (a55a921)

3.10.1 (2025-08-21)

CI

• pre-commit autoupdate (#137) (0372818)

Other

• replacing-deprecated-methods (#143) (03715ab)

3.10.0 (2025-08-06)

Features

• Support SDK metrics (#136) (441c46a)

Other

• bump-flagsmith-engine-version (#139) (2cd2435)

3.9.2 (2025-07-08)

CI

• pre-commit autoupdate (#128) (62c55a9)

Docs

• removing hero image from SDK readme (#131) (80af1d8)

Other

• actions: Move project id to a var (#126) (3bd7943)
• Add workflow to add new issues to engineering project (#124) (b67f9a6)
• ci: show all sections in release please config (#132) (e684919)
• deps: bump requests from 2.32.3 to 2.32.4 (#129) (3019636)
• deps: update flagsmith-flag-engine (#133) (bfcd454)

3.9.1 (2025-04-29)

Bug Fixes

• Fix HTTP requests not timing out (7d61a47)

3.9.0 (2025-04-01)

Features

• Add utility functions for webhooks (3d8df11)

3.8.0 (2024-08-12)

Features

• Support transient identities and traits (#93) (0a11db5)

Bug Fixes

• Flaky test_offline_mode__local_evaluation__correct_fallback (#103) (a2136d7)
• Offline handler not used as fallback for local evaluation mode during init (#100) (6f6d595)
• Package version not bumped during automatic release (#102) (840bc0e)

v3.7.0 - 17 Jul 2024

What's Changed

• Bump black from 23.12.1 to 24.3.0 by @dependabot in #81
• chore: update github actions by @dabeeeenster in #82
• Remove pytz and replace usage with core python modules by @MerijnBol in #80
• docs: misc README improvements by @rolodato in #84
• Bump idna from 3.6 to 3.7 by @dependabot in #83
• Bump requests from 2.31.0 to 2.32.0 by @dependabot in #85
• Bump urllib3 from 2.2.1 to 2.2.2 by @dependabot in #87
• Bump certifi from 2024.2.2 to 2024.7.4 by @dependabot in #89
• Bump setuptools from 69.1.1 to 70.0.0 by @dependabot in #90
• fix: Add a custom exception for invalid features by @tushar5526 in #86
• chore: Bump package, fix README by @khvn26 in #92

New Contributors

• @MerijnBol made their first contribution in #80
• @rolodato made their first contribution in #84

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.6.0...v3.7.0

Changes

v3.6.0 - 14 Mar 2024

What's Changed

• ##61 SSE streaming manager by @bne in #73
• chore: remove examples by @dabeeeenster in #75
• feat: Add identity overrides to local evaluation mode by @khvn26 in #72
• feat: strict typing by @tushar5526 in #70 and #71
• ci: run pytest on push to main by @matthewelwell in #78
• fix: Set the environment for local evaluation mode on init by @zachaysan in #76
• chore: version bump to 3.6.0 by @matthewelwell in #79

New Contributors

• @tushar5526 made their first contribution in #71
• @bne made their first contribution in #73
• @zachaysan made their first contribution in #76

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.5.0...v3.6.0

Changes

Version 3.5.0 (v3.5.0) - 23 Nov 2023

Compatibility Notes

Flagsmith Python SDK 3.5.0 brings the new version of Flagsmith engine that depends on Pydantic V2. If you're still using Pydantic V1 in your project, consider doing one of the following:

• Change your pydantic imports to pydantic.v1.
• Use the bump-pydantic tool to migrate your code semi-automatically.

Refer to the Pydantic V2 migration guide for more info.

What's Changed

• Bump flagsmith-flag-engine to 5.0.0 by @khvn26 in #69
• Ensure polling thread is resilient to errors and exceptions by @goncalossilva in #60
• Bump certifi from 2023.5.7 to 2023.7.22 by @dependabot in #56
• Bump urllib3 from 2.0.4 to 2.0.7 by @dependabot in #64

New Contributors

• @goncalossilva made their first contribution in #60

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.4.0...v3.5.0

Changes

Version 3.4.0 (v3.4.0) - 31 Jul 2023

What's Changed

• Implementation of offline mode (single client class) by @matthewelwell in #50

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.3.0...v3.4.0

Changes

Version 3.3.0 (v3.3.0) - 27 Jul 2023

What's Changed

• Update flag-engine by @matthewelwell in #49

New Contributors

• @khvn26 made their first contribution in #52

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.2.2...v3.3.0

Changes

Version 3.2.2 (v3.2.2) - 07 Jul 2023

What's Changed

• Use daemon argument to ensure that polling manager is killed by @matthewelwell in #47

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.2.1...v3.2.2

Changes

Version 3.2.1 (v3.2.1) - 19 May 2023

What's Changed

• Bump flask from 2.0.2 to 2.2.5 in /example by @dependabot in #44
• Bump certifi from 2021.10.8 to 2022.12.7 by @dependabot in #36
• improvement/general-housekeeping by @dabeeeenster in #43
• chore/bump-version by @dabeeeenster in #45

New Contributors

• @dependabot made their first contribution in #44

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.2.0...v3.2.1

Changes

Version 3.2.0 (v3.2.0) - 13 Jan 2023

What's Changed

• Add proxies option to Flagsmith by @matthewelwell in #39
• Release 3.2.0 by @matthewelwell in #38

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.1.0...v3.2.0

Changes

Version 3.1.0 (v3.1.0) - 01 Nov 2022

What's Changed

• Upgrade engine (2.3.0) by @matthewelwell in #34
• Release 3.1.0 by @matthewelwell in #33

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.0.1...v3.1.0

Changes

Version 3.0.1 (v3.0.1) - 13 Jul 2022

What's Changed

• Use feature name instead of feature id by @matthewelwell in #29
• Release 3.0.1 by @matthewelwell in #30

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v3.0.0...v3.0.1

Changes

Version 3.0.0 (v3.0.0) - 07 Jun 2022

What's Changed

• Feature/rewrite for client side eval by @matthewelwell in #17
• Refactor default flag logic by @matthewelwell in #22
• Expose segments by @matthewelwell in #24
• Prevent initialisation with local evaluation without server key by @matthewelwell in #25
• Update default url to point to edge by @matthewelwell in #27
• Release 3.0.0 by @matthewelwell in #16

Full Changelog: https://github.com/Flagsmith/flagsmith-python-client/compare/v1.0.1...v3.0.0

Changes

Version 3.0.0 alpha 2 (v3.0.0-alpha.2) - 30 May 2022

Changes

Version 3.0.0 - Alpha 1 (v3.0.0-alpha.1) - 17 May 2022

First alpha release of v3.0.0

Changes