v1.21.0

teamhanko/hankov1.21.0Jun 10, 2026by themez

AI Summary

A major feature release adding new AI providers, enhanced file handling capabilities, image generation support, and significant performance improvements.

Key Highlights

Added Vercel AI Gateway provider and Spotlight for faster provider selection.
Added file conversation support and improved handling of large/multi-attachments.
Added GPT Image 2 support and harmful content reporting for image generation.
Improved error display with localized messages and request IDs.

New Features

Vercel AI Gateway provider.
Spotlight provider for faster selection.
File conversation support and improved large file handling.
GPT Image 2 support.
Microsoft Translate backup service.
Improved web search reliability.
Improved error display with localized messages.
Improved session list performance and stability.
Fixed Electron upgrade regressions.
Fixed duplicate AI requests.

Full Release Notes

## v1.21.0 - 2026.06.08

### Downloads
- [Windows](https://chatboxai.app/install?download=win64)
- [macOS Intel](https://chatboxai.app/install?download=darwin-x86_64)
- [macOS Apple Silicon](https://chatboxai.app/install?download=darwin-aarch64)
- [Linux x64](https://chatboxai.app/install?download=linux)
- [Linux ARM64](https://chatboxai.app/install?download=linux-arm64)
- [Android APK](https://download.chatboxai.app/releases/chatbox-1.21.0.apk)

1. Added Vercel AI Gateway provider
2. Added provider Spotlight for faster provider selection
3. Added file conversation support and improved large file and multi-attachment handling
4. Added GPT Image 2 support and harmful content reporting for image generation
5. Added Microsoft Translate as a backup translation service
6. Improved web search reliability for BoCha, Tavily, and mobile Bing search
7. Improved error display with clearer localized messages, request IDs, and retry status
8. Improved session list performance and stability, including bulk delete, ordering, and migration fixes
9. Fixed Electron upgrade regressions around local file paths, database locations, and attachments
10. Fixed duplicate AI requests after network errors
11. Fixed multiple knowledge base, login state, guide, and settings issues
12. Updated Windows app icons