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18 changes: 18 additions & 0 deletions CHANGELOG.md
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# Optimizely Ruby SDK Changelog

## 5.3.0
May 4, 2026

### New Features

**Feature Rollout**: Added support for Feature Rollouts, a new experiment type
combining Targeted Delivery simplicity with A/B test measurement capabilities.
Feature Rollouts enable progressive rollouts with full impact analytics, metric tracking,
and confidence intervals.
See [Feature Rollout docs](https://support.optimizely.com/hc/en-us/articles/45552846481037-Run-Feature-Rollouts-in-Feature-Experimentation) for more information.

- Exclude CMAB from UserProfileService ([#384](https://github.com/optimizely/ruby-sdk/pull/384))
- Add Event Retries ([#385](https://github.com/optimizely/ruby-sdk/pull/385))
- Arnica code risk findings for Ruby SDK ([#391](https://github.com/optimizely/ruby-sdk/pull/391))
- Add Feature Rollout support ([#392](https://github.com/optimizely/ruby-sdk/pull/392))
- Remove experiment type validation from config parsing ([#393](https://github.com/optimizely/ruby-sdk/pull/393))
- Remove legacy flag-level holdout fields ([#395](https://github.com/optimizely/ruby-sdk/pull/395))

## 5.2.1
December 17th, 2025

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2 changes: 1 addition & 1 deletion lib/optimizely/version.rb
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#
module Optimizely
CLIENT_ENGINE = 'ruby-sdk'
VERSION = '5.2.1'
VERSION = '5.3.0'
end
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