---
title: CSharp-SDK - 3.5.0
slug: feature-experimentation/release-notes/csharp-sdk-3-5-0
docTags: 
createdAt: 2026-07-20T15:44:28.090Z
---

## 3.5.0

## July 7th, 2020

### New Features

\- Add support for JSON feature variables. (\[#214]\([https://github.com/optimizely/csharp-sdk/pull/214](https://github.com/optimizely/csharp-sdk/pull/214)), \[#216]\([https://github.com/optimizely/csharp-sdk/pull/216](https://github.com/optimizely/csharp-sdk/pull/216)), \[#217]\([https://github.com/optimizely/csharp-sdk/pull/217](https://github.com/optimizely/csharp-sdk/pull/217)))
\- Add support for authenticated datafiles. (\[#222]\([https://github.com/optimizely/csharp-sdk/pull/222](https://github.com/optimizely/csharp-sdk/pull/222)))
\- Add gzip support for framework 4.5 or above. (\[#218]\([https://github.com/optimizely/csharp-sdk/pull/218](https://github.com/optimizely/csharp-sdk/pull/218)))

### Bug Fixes:

\- Adjust audience evaluation log level to debug. (\[#221]\([https://github.com/optimizely/csharp-sdk/pull/221](https://github.com/optimizely/csharp-sdk/pull/221)))

[https://github.com/optimizely/csharp-sdk/releases/tag/v3.5.0](https://github.com/optimizely/csharp-sdk/releases/tag/v3.5.0)
