---
title: CSharp-SDK - 2.2.0
slug: feature-experimentation/release-notes/csharp-sdk-2-2-0
docTags: 
createdAt: 2026-07-20T15:45:13.274Z
---

\### New Features
\* refactor(interface): Adds IOptimizely interface (\[#93]\([https://github.com/optimizely/csharp-sdk/pull/93](https://github.com/optimizely/csharp-sdk/pull/93)))
\* feat(api): Accepting all types for attributes values (\[#102]\([https://github.com/optimizely/csharp-sdk/pull/102](https://github.com/optimizely/csharp-sdk/pull/102)))

\### Bug fixes
\* fix(whitelistng): Removed logic from bucketing since it is checked in Decision Service. (\[#98]\([https://github.com/optimizely/csharp-sdk/pull/98](https://github.com/optimizely/csharp-sdk/pull/98)))
\* fix(track): Send decisions for all experiments using an event when using track. (\[#100]\([https://github.com/optimizely/csharp-sdk/pull/100](https://github.com/optimizely/csharp-sdk/pull/100)))
\* fix(datafile-parsing): Prevent newer versions datafile (\[#101]\([https://github.com/optimizely/csharp-sdk/pull/101](https://github.com/optimizely/csharp-sdk/pull/101)))
\* fix(api): Only track attributes with valid attribute types. (\[#103]\([https://github.com/optimizely/csharp-sdk/pull/103](https://github.com/optimizely/csharp-sdk/pull/103)))

[https://github.com/optimizely/csharp-sdk/releases/tag/v2.2.0](https://github.com/optimizely/csharp-sdk/releases/tag/v2.2.0)