v6.4.0

6.4.0 (2026-10-30)

Features

• CI: Set up CodSpeed (#272) (701e8e5)
• Flag Dependency: Evaluate flags that depend on other flags (#267) (ab669bb)

CI

• Label Renovate's SDK spec bump PRs (#265) (a7dccd0)
• pre-commit autoupdate (#248) (cdbc47f)
• pre-commit autoupdate (#254) (23c881d)
• Run CodSpeed benchmarks in simulation on GitHub-hosted runners (#274) (4d5c27f)
• Run the Flagsmith SDK behavioural spec (#263) (adddf47)

Dependency Updates

• bump flagsmith-engine to 11.1.1 (#259) (6227271)
• update dependency flagsmith-flag-engine to v11.1.0 (#252) (ed65702)
• update dependency flagsmith/sdk-spec to v0.6.0 (#270) (b1a41c5)

Performance Improvements

• Map identity overrides, evaluate environment flags once per document refresh (#262) (4fafcd9)

Other

• deps: bump urllib3 from 2.7.0 to 2.8.0 (#255) (6e48b82)

v6.3.0

6.3.0 (2026-09-23)

Features

• Flag.experiment and exposure gated on in_experiment (#249) (62eceb2)

Bug Fixes

• skip exposure event when in-experiment flag has no variant (#251) (0f5af28)

v6.2.3

6.2.3 (2026-08-31)

Bug Fixes

• send correct SDK user agent in analytics events (#246) (aa7d7be)

v6.2.2

6.2.2 (2026-08-31)

CI

• pre-commit autoupdate (#238) (fa12392)

Dependency Updates

• update dependency flagsmith-flag-engine to v11 (#243) (e93bca9)

v6.2.1

6.2.1 (2026-08-14)

Bug Fixes

• Identity overrides silently lost during local evaluation (#240) (17e243b)

v6.2.0

6.2.0 (2026-08-07)

Features

• Surface engine evaluation reason on flags (#236) (71128a4)

Bug Fixes

• Exposure events sent without a variant and duplicated within a flush interval (#233) (2c5e20e)

v6.1.0

6.1.0 (2026-07-14)

Features

• add analytics_url to send flag analytics to a different host (#215) (2da1a5e)

CI

• pre-commit autoupdate (#230) (896390d)

v6.0.0

6.0.0 (2026-06-26)

⚠ BREAKING CHANGES

• drop Python 3.9 support to allow urllib3 >=2.7.0 (#227)

Features

• only track exposure when experiment feature is enabled (#226) (30112aa)

Bug Fixes

• Background threads leaking across tests (#229) (0615a9d)

CI

• pre-commit autoupdate (#219) (134e6b6)

Dependency Updates

• drop Python 3.9 support to allow urllib3 >=2.7.0 (#227) (814e67e)

Other

• deps-dev: bump pytest from 7.4.4 to 9.0.3 (#228) (f00eff9)
• deps: bump idna from 3.10 to 3.15 (#218) (4d71722)

v5.5.0

5.5.0 (2026-06-09)

Features

• surface the selected variant on flags (#221) (7fc7224)
• use the variant as the exposure event value (#222) (1438708)

v5.4.0

5.4.0 (2026-06-01)

Features

• experimentation surface — track_event, track_exposure_event, get_experiment_flag (#220) (7307b83)

CI

• pre-commit autoupdate (#216) (57dc7f4)