[FSSDK-12521] chore: preparing for release v5.5.0#508

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FarhanAnjum-opti wants to merge 1 commit intomasterfrom

farhan-anjum/FSSDK-12521-python-release-5.5.0

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FarhanAnjum-opti commented Apr 28, 2026 •

edited by atlassian Bot

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Summary

Bumped version from 5.4.0 to 5.5.0 in optimizely/version.py
Updated CHANGELOG with all changes since v5.4.0, including:
- Feature Rollout support ([AI-FSSDK] [FSSDK-12337] Add Feature Rollout support #499, [AI-FSSDK] [FSSDK-12418] Remove experiment type validation from config parsing #500)
- Event retry support ([FSSDK-12149] [Python] Add Event Retries #475)
- CMAB/UPS exclusion fix ([FSSDK-12035] Update: Exclude CMAB from UserProfileService #474)
- Ruff linter migration ([FSSDK-12276] update: replace flake8 with ruff #492)
- Holdout cleanup ([AI-FSSDK] [FSSDK-12368] Cleanup flag base setup (local holdouts) #507)
- Bug fixes: finally block exception fix ([FSSDK-12497] Fix return in finally block silently swallowing exceptions #505), PollingConfigManager URL fix ([FSSDK-12320] bugfix: PollingConfigManager rejects valid URL-only configuration #497)

Preparing for the Python SDK v5.5.0 release with Feature Rollout as the headline feature.

Test plan

All 923 existing unit tests pass on Python 3.12
No code changes in this PR — only version bump and changelog

Issues

FSSDK-12521


          [FSSDK-12521] chore: preparing for release v5.5.0

e51f133

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

optimizely-codereview-bot assigned FarhanAnjum-opti

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