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title: v4.1.155 (2025-08-31) - Desktop API Changelog - Beeper Developer Docs
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## Version v4.1.155 (2025-08-31)

### Added

- Introduced more token-efficient `localChatID` fields for all chats.
- Improved attachment support.
- Released official SDK for TypeScript! <https://github.com/beeper/desktop-api-js>

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