# Changelog

Track new features, improvements, and fixes across Twig AI platform versions.

## \[Unreleased]

Coming soon:

* Python SDK
* Microsoft Teams integration
* Multi-language support
* Custom model fine-tuning

***

## \[2.5.0] - 2024-01-15

### Added

* **Cypress RAG Strategy**: Advanced retrieval with query expansion, tier-based sources, and automatic reranking
* **Agent Marketplace**: Discover and install community-built agents
* **Evaluation Framework**: Automated testing with custom evaluation metrics
* **Webhook Support**: Real-time event notifications
* **Voice Input**: Speech-to-text for queries (beta)

### Improved

* 40% faster vector search performance
* Enhanced analytics dashboard with custom date ranges
* Better citation formatting with direct links
* Improved error messages across API

### Fixed

* Confluence sync issues with nested pages
* Slack integration rate limiting
* Browser extension memory leaks
* Playground conversation history persistence

***

## \[2.4.0] - 2023-12-01

### Added

* **Cedar RAG Strategy**: Context-aware query rewriting
* **SharePoint Integration**: Connect Microsoft SharePoint document libraries
* **Group Management**: Organize users and control access
* **Streaming Responses**: Real-time response delivery via SSE
* **Dark Mode**: UI theme toggle

### Improved

* 2x faster document processing
* Better handling of large PDF files (up to 100MB)
* Enhanced memory management in long conversations
* Improved mobile responsive design

### Fixed

* Google Drive shared drive access issues
* OneDrive folder selection bug
* API key expiration notifications
* Citation duplication in responses

***

## \[2.3.0] - 2023-10-15

### Added

* **Agentic Workflows**: Tool-using agents with function calling
* **Agent Tools**: Custom tool builder for specialized capabilities
* **Cost Tracking**: Token usage and cost analytics
* **Session Management**: Maintain conversation context
* **Auto KB Generation**: Automatically create knowledge base articles

### Improved

* Better prompt rewriting for ambiguous queries
* Enhanced data source connection testing
* Faster initial data ingestion
* Improved Playground UX with response comparison

### Fixed

* Memory overflow in long conversations
* Zendesk OAuth token refresh
* Browser extension manifest v3 compatibility
* Widget z-index conflicts on some sites

***

## \[2.2.0] - 2023-08-01

### Added

* **Redwood RAG Strategy**: Fast, direct retrieval mode
* **Outlook Add-in**: AI assistance in Microsoft Outlook
* **CSV Data Import**: Structured data ingestion
* **QnA CSV Import**: Question-answer pair import
* **Process Logs**: Detailed processing and error logs

### Improved

* 50% reduction in cold start latency
* Better handling of images in documents
* Enhanced security with SOC 2 Type II certification
* Improved search relevance scoring

### Fixed

* Website crawler depth limiting
* Data source refresh scheduling bugs
* API rate limit counter accuracy
* Inbox filter persistence

***

## \[2.1.0] - 2023-06-15

### Added

* **Slack Integration**: Connect Slack channels as data sources
* **Agent Hub**: Public/private agent sharing
* **SSO Support**: SAML and OAuth 2.0 integration
* **Audit Logs**: Track user actions and API calls
* **Custom Branding**: White-label widget and UI

### Improved

* Better citation extraction from websites
* Enhanced PDF text extraction (OCR support)
* Faster Confluence page syncing
* Improved error recovery in data processing

### Fixed

* Google Drive incremental sync issues
* API response timeout on large queries
* Widget loading on slow networks
* Analytics export formatting

***

## \[2.0.0] - 2023-04-01

### 🎉 Major Release

Complete platform redesign with enhanced RAG capabilities.

### Added

* **Multi-Strategy RAG**: Support for different retrieval approaches
* **Advanced Analytics**: Comprehensive metrics and insights
* **Inbox Training**: Review and improve responses
* **Knowledge Base Management**: Organized article system
* **Data Source Tags**: Better organization and filtering
* **REST API v2**: Complete API overhaul with better documentation

### Changed

* **New UI/UX**: Modern, responsive design
* **Improved Navigation**: Simplified menu structure
* **Better Performance**: 3x faster across the board
* **Enhanced Security**: Updated authentication and encryption

### Removed

* Legacy API v1 (deprecated, will be removed in v3.0)
* Old widget embed code (v1, replaced with v2)

***

## \[1.5.0] - 2023-01-15

### Added

* **Google Drive Integration**: Connect Google Drive folders
* **OneDrive Integration**: Connect Microsoft OneDrive
* **Sitemap Import**: Import from sitemap.xml files
* **Browser Extension**: Chrome extension for quick access
* **Embeddable Widget**: Add AI chatbot to your website

### Improved

* Better context window management
* Enhanced prompt engineering capabilities
* Improved document chunking algorithm
* Faster embedding generation

### Fixed

* Zendesk API pagination issues
* File upload size limit enforcement
* Memory leak in long-running processes
* Citation URL encoding bugs

***

## \[1.0.0] - 2022-11-01

### 🎉 Initial Release

* Core RAG functionality
* Basic agent configuration
* Data source integrations (Confluence, Zendesk)
* File upload support
* Website crawling
* Analytics dashboard
* REST API v1
* Web application

***

## Version History

| Version | Release Date | Type    | Highlights                    |
| ------- | ------------ | ------- | ----------------------------- |
| 2.5.0   | 2024-01-15   | Feature | Cypress strategy, Marketplace |
| 2.4.0   | 2023-12-01   | Feature | Cedar strategy, SharePoint    |
| 2.3.0   | 2023-10-15   | Feature | Agentic workflows, Tools      |
| 2.2.0   | 2023-08-01   | Feature | Redwood strategy, Outlook     |
| 2.1.0   | 2023-06-15   | Feature | Slack, SSO, Agent Hub         |
| 2.0.0   | 2023-04-01   | Major   | Platform redesign             |
| 1.5.0   | 2023-01-15   | Feature | Cloud storage integrations    |
| 1.0.0   | 2022-11-01   | Major   | Initial release               |

***

## Deprecation Notices

### Scheduled for Removal

**API v1** (Removal: June 2024)

* Migrate to API v2 by May 2024
* See [Migration Guide](https://github.com/thrivapp/twig-help-docs/blob/staging/reference/migration-guide.md)

**Widget v1 Embed Code** (Removal: June 2024)

* Update to v2 embed code
* Old widgets will stop working after deadline

### Recently Removed

**Legacy Dashboard** (Removed: April 2023)

* Replaced by new analytics dashboard in v2.0

***

## Upgrade Instructions

### Automatic Updates

* **Web Application**: Automatically updated
* **Browser Extension**: Auto-updates enabled by default
* **Embeddable Widget**: Update embed code to latest version

### Manual Updates Required

* **API Integration**: Review breaking changes and update code
* **Custom Integrations**: Test with new API version
* **SDK**: Update package to latest version

### Breaking Changes by Version

**v2.0.0:**

* API endpoint URLs changed
* Authentication header format updated
* Response structure modified

**v2.5.0:**

* Widget initialization method changed
* Some deprecated fields removed

See detailed migration guides for each version.

***

## Release Schedule

We follow semantic versioning (MAJOR.MINOR.PATCH):

* **Major releases**: Every 6-12 months (breaking changes)
* **Minor releases**: Every 1-2 months (new features)
* **Patch releases**: As needed (bug fixes)

## Stay Updated

* **Email**: Subscribe to release notifications in Settings
* **Blog**: [blog.twig.so](https://blog.twig.so)
* **Twitter**: [@TwigAI](https://twitter.com/TwigAI)
* **Status Page**: [status.twig.so](https://status.twig.so)

***

*For detailed technical changes, see our* [*GitHub Releases*](https://github.com/twig-ai/twig-platform/releases)*.*


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