---
title: Javascript-SDK - 6.3.1
slug: feature-experimentation/release-notes/javascript-sdk-6-3-1
docTags: 
createdAt: 2026-07-20T15:45:10.754Z
---

## \[6.3.1] - January 26, 2026

[#631---january-26-2026](docId\:QTwnymtnCGdCrsizms9WD)

### Changed

[#changed](docId\:QTwnymtnCGdCrsizms9WD)

- **Updated event retry default config**: Adjusted default retry configuration for event processing ([#1131](https://github.com/optimizely/javascript-sdk/pull/1131))

### Bug Fixes

[#bug-fixes](docId\:QTwnymtnCGdCrsizms9WD)

- **Fix UNSTABLE\_conditionEvaluators option**: pass custom condition evaluators to decision service ([#1133](https://github.com/optimizely/javascript-sdk/pull/1133))

[https://github.com/optimizely/javascript-sdk/releases/tag/v6.3.1](https://github.com/optimizely/javascript-sdk/releases/tag/v6.3.1)