v4.6

resend/react-emailv4.6Sep 29, 2025by dreambladeflag

AI Summary

This release enhances developer experience with a dedicated API documentation portal and expands export formats, while also optimizing validation performance and fixing UI accessibility issues.

Key Highlights

Developer portal enhancement with added API documentation settings
Multi-format contact export supporting TXT format
Accelerated email validation through improved algorithms
Fix for unsubscribe page access issues when IP whitelist is enabled
Fix for contact list export failures under specific conditions

New Features

API Documentation
Multi-format contact export (TXT format)

Full Release Notes

# BillionMail v4.6 Release Notes  

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## ✨ New Features  

### 🔌 API Documentation  
- **Developer portal enhancement**  
  Added API documentation settings for easy access to system APIs, improving development efficiency and integration accuracy  

### 📊 Export Format Expansion  
- **Multi-format contact export**  
  Added TXT export format to contact export functionality, supporting diverse data processing needs  

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## ⚡ Performance Optimization  
- **Accelerated email validation**  
  Optimized abnormal email scanning through improved algorithms and data processing logic, significantly increasing scan speed  

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## 🐛 Bug Fixes  
- **IP whitelist accessibility**  
  Fixed unsubscribe page access issues when IP whitelist is enabled  
- **Contact list export reliability**  
  Resolved contact list export failures under specific conditions  
- **Empty campaign prevention**  
  Fixed issue where marketing tasks with entirely non-sendable recipients would create empty campaigns