---
title: Ruby-SDK - 3.5.0
slug: feature-experimentation/release-notes/ruby-sdk-3-5-0
docTags: 
createdAt: 2026-07-20T15:44:53.975Z
---

## 3.5.0

July 9th, 2020

### New Features:

\- Add support for JSON feature variables (\[#251]\([https://github.com/optimizely/ruby-sdk/pull/251](https://github.com/optimizely/ruby-sdk/pull/251)))
\- Add support for authenticated datafiles (\[#255]\([https://github.com/optimizely/ruby-sdk/pull/255](https://github.com/optimizely/ruby-sdk/pull/255)))
\- Added support for authenticated datafiles. \`HTTPProjectConfigManager\` now accepts \`datafile\_access\_token\` to be able to fetch authenticated datafiles.
\- Add support for proxy server for http config manager. (\[#262]\([https://github.com/optimizely/ruby-sdk/pull/262](https://github.com/optimizely/ruby-sdk/pull/262)))

### Bug Fixes:

\- Handle error with error handler in async scheduler (\[#248]\([https://github.com/optimizely/ruby-sdk/pull/248](https://github.com/optimizely/ruby-sdk/pull/248))).
\- Change single audience result to debug (\[#254]\([https://github.com/optimizely/ruby-sdk/pull/254](https://github.com/optimizely/ruby-sdk/pull/254))).

[https://github.com/optimizely/ruby-sdk/releases/tag/3.5.0](https://github.com/optimizely/ruby-sdk/releases/tag/3.5.0)