---
title: CSharp-SDK - 3.11.4
slug: feature-experimentation/release-notes/csharp-sdk-3-11-4
docTags: 
createdAt: 2026-07-20T15:44:43.838Z
---

## [#3114](docId\:botA8n_yLIiuDjMvkF93f)3.11.4

July 26, 2023

### [#bug-fix](docId\:botA8n_yLIiuDjMvkF93f)Bug Fix

- Fix Last-Modified date & time format for If-Modified-Since ([#361](https://github.com/optimizely/csharp-sdk/pull/361)).

[https://github.com/optimizely/csharp-sdk/releases/tag/3.11.4](https://github.com/optimizely/csharp-sdk/releases/tag/3.11.4)