August 2025
Version 3.2.5 - August 1, 2025
🔍 Search & Performance
- Query Caching Optimization: 40% faster response times for repeated queries
- Index Compaction: Reduced storage footprint by 25% through better compression
- Load Balancer Improvements: Better traffic distribution across nodes
- Connection Pool Optimization: Reduced connection overhead by 30%
Version 3.2.4 - July 25, 2025
📊 Analytics & Quality
- Query Performance Metrics: Detailed latency breakdown per query stage
- Usage Analytics Dashboard: Real-time monitoring of API usage patterns
- Relevance Scoring Improvements: Better ranking for domain-specific queries
- Duplicate Detection: Automatic deduplication of similar search results
Version 3.2.3 - July 20, 2025
⚡ Vector Operations & Security
- Vector Quantization: 8-bit quantization reduces memory usage by 50%
- Batch Processing: Support for processing up to 500 documents simultaneously
- Rate Limiting: Per-tenant rate limiting with burst allowance
- Input Validation: Enhanced validation for uploaded document formats
Version 3.2.2 - July 15, 2025
🔧 API & Search Features
- Timeout Configuration: Configurable timeout settings for long-running queries
- Error Handling: More descriptive error messages with suggested fixes
- Fuzzy Matching: Typo-tolerant search with configurable edit distance
- Filter Optimization: 60% faster filtering on metadata fields
Version 3.2.1 - July 10, 2025
🧠 AI & Scalability
- Context Window Expansion: Support for 16K token context in answer generation
- Citation Accuracy: Improved precision in source attribution
- Horizontal Scaling: Auto-scaling based on query load
- Read Replicas: Read-only replicas for better query distribution
Version 3.2.0 - July 5, 2025
🎛️ Configuration & Processing
- Dynamic Configuration: Update search parameters without restart
- Environment Variables: Better configuration management through env vars
- Incremental Indexing: Update indices without full rebuild
- Background Processing: Non-blocking document processing pipeline
June 2025
Version 3.1.6 - June 28, 2025
📊 Monitoring & Vector Operations
- Health Checks: Comprehensive health monitoring endpoints
- Metrics Export: Prometheus-compatible metrics for monitoring
- HNSW Index Optimization: 30% faster nearest neighbor search
- Embedding Model Updates: Support for latest sentence-transformer models
Version 3.1.5 - June 21, 2025
🛠️ Developer Experience & Content
- SDK Updates: Improved Python and JavaScript SDK with better error handling
- API Documentation: Interactive examples with curl and code samples
- PDF Layout Detection: Better extraction from complex PDF layouts
- Table Extraction: Improved parsing of tabular data from documents
Version 3.1.4 - June 14, 2025
🎯 Search Precision & Storage
- Semantic Search Tuning: Fine-tuned embeddings for technical content
- Query Expansion: Automatic expansion of short queries with related terms
- Compression Improvements: Lossless compression reduces storage by 35%
- Garbage Collection: Automatic cleanup of unused vector embeddings
Version 3.1.3 - June 7, 2025
🚀 Performance & Bug Fixes
- Multi-Threading: Parallel processing for batch document uploads
- Memory Management: Optimized memory usage for large document collections
- Memory Leak Fix: Resolved memory leaks in long-running search operations
- Unicode Handling: Better support for non-Latin character sets
Version 3.1.2 - May 31, 2025
📱 Multi-Modal & Customization
- Image Embedding: Support for image-text multi-modal search
- OCR Integration: Extract and index text from images in documents
- Custom Scoring: User-defined scoring functions for specialized domains
- Boost Parameters: Configurable boost factors for recent or popular content
Version 3.1.1 - May 24, 2025
🔄 Real-time & Analytics
- Streaming Indexing: Real-time indexing of new documents
- Live Configuration: Update search parameters without system restart
- Query Analytics: Track popular queries and search patterns
- Performance Insights: Identify slow queries and optimization opportunities
Version 3.1.0 - May 17, 2025
🎯 Answer Quality & Search
- Response Filtering: Filter out low-confidence answers automatically
- Source Diversity: Ensure answers draw from multiple diverse sources
- Hybrid Search Improvements: Better fusion of semantic and keyword search
- Personalization: User-specific search result ranking based on history
Version 3.0.9 - May 10, 2025
⚡ Optimization & Reliability
- Query Optimization: 25% reduction in average query latency
- Connection Pooling: Improved database connection management
- Circuit Breaker: Automatic failover for degraded services
- Retry Logic: Intelligent retry mechanisms for transient failures
Version 3.0.8 - May 3, 2025
🎉 Major Release & Data Management
- Agent Routing: Automatic routing to specialized AI agents
- Multi-Step Reasoning: Break complex queries into logical steps
- Data Retention Policies: Configurable retention for different content types
- Backup Optimization: Incremental backups with faster restore times
April 2025
Version 2.9.7 - April 26, 2025
🔧 API & Search Accuracy
- Batch Operations: Bulk delete and update operations
- Webhook Support: Real-time notifications for document processing events
- Relevance Tuning: Improved relevance scoring for technical documentation
- Noise Reduction: Better filtering of irrelevant search results
Version 2.9.6 - April 19, 2025
💾 Storage & Processing
- Index Optimization: 20% reduction in index size through better encoding
- Cold Storage: Automatic archival of rarely accessed content
- Parallel Processing: Multi-threaded document processing
- Queue Management: Better handling of large document upload queues
Version 2.9.5 - April 12, 2025
🛠️ Infrastructure & Content
- Auto-Scaling: Automatic scaling based on traffic patterns
- Load Distribution: Improved load balancing across service instances
- Improved OCR: Better text extraction from scanned documents
Version 2.9.4 - April 5, 2025
🎛️ UX & Performance
- Response Streaming: Real-time streaming of search results
- Progress Indicators: Upload and processing progress tracking
- Vector Index Optimization: 40% faster similarity search
- Memory Usage: Reduced memory footprint for large indices
March 2025
Version 2.8.8 - March 29, 2025
🔍 Query & Monitoring
- Query Normalization: Better handling of diverse query formats
- Spell Correction: Automatic correction of typos in search queries
- Detailed Logging: Enhanced logging for debugging and optimization
- Performance Metrics: Real-time performance monitoring dashboard
Version 2.8.7 - March 22, 2025
🛡️ Security & Quality
- API Key Rotation: Support for seamless API key rotation
- Request Validation: Enhanced input validation and sanitization
- Duplicate Filtering: Automatic removal of near-duplicate results
- Content Freshness: Preference scoring for recently updated content
Version 2.8.6 - March 15, 2025
⚡ Speed & Developer Tools
- Cache Optimization: Smarter caching strategies for frequent queries
- Index Compression: Reduced index size with maintained accuracy
- Debug Mode: Detailed query execution information for troubleshooting
- API Testing: Built-in API testing interface for development
Version 2.8.5 - March 8, 2025
📈 Scaling & Answer Generation
- Connection Pooling: Optimized database connection management
- Resource Allocation: Dynamic resource allocation based on workload
- Response Formatting: Better structured responses with bullet points
- Context Preservation: Improved context retention in longer conversations
Version 2.8.4 - March 1, 2025
🔍 Search & AI Improvements
- Faceted Search: Multi-dimensional filtering capabilities
- Search History: Track and reuse previous successful searches
- Model Updates: Updated to latest embedding models for better accuracy
- Fine-tuning: Domain-specific fine-tuning for technical content
February 2025
Version 2.2.0 - February 28, 2025
🎯 New Features
- Advanced Analytics Dashboard: Real-time insights into query patterns and user behavior
- Custom Model Support: Integration with custom fine-tuned models for specialized domains
- Workflow Automation: Automated content processing pipelines with custom triggers
- Vector Similarity Tuning: Fine-grained control over similarity thresholds and scoring algorithms
- Multi-Modal Search: Support for image, audio, and video embeddings alongside text
- Federated Search: Query across multiple vector databases simultaneously
- Creative Search Mode: Generate creative and imaginative answers beyond factual content
- Web Search Integration: Real-time web search capabilities with
search_modesconfiguration
⚡ Performance & Scale
- Lightning-fast Indexing: 60% improvement in document processing speed with parallel processing
- Smart Caching: Intelligent cache invalidation reduces API response times by 75%
- Optimized Memory Usage: Reduced memory footprint for large-scale deployments
- Auto-scaling Infrastructure: Dynamic scaling based on query load and index size
- Distributed Vector Storage: Sharded vector indices for billions of embeddings
- Query Optimization: Advanced query planning and execution for complex searches
🛡️ Quality of Service
- Enterprise-grade Reliability: Automatic failover and high availability
- Real-time Health Monitoring: Comprehensive metrics and alerting system
- Circuit Breaker Pattern: Automatic degradation and recovery mechanisms
- Load Balancing: Intelligent request distribution across multiple regions
- Data Consistency: Strong consistency with eventual consistency options
Version 2.1.5 - February 14, 2025
💝 Valentine's Update
- Enhanced User Experience: Streamlined onboarding flow for new developers
- API Rate Limiting: Flexible rate limiting with burst allowances
- Multi-language Support: Expanded language detection and processing capabilities
- Approximate Nearest Neighbor (ANN): HNSW algorithm implementation for faster similarity search
- Vector Compression: Quantization techniques reducing storage by 70% with minimal accuracy loss
- Batch Query Processing: Execute up to 1000 queries in a single API call
- Streaming Responses: Real-time streaming of answers with
streamflag for better UX - Auto Agent Routing: Intelligent routing to best-suited AI agents with
auto_agent_routing
🔍 Search Enhancements
- Hybrid Search: Combine dense vector search with sparse keyword matching using
search_alpha - Semantic Filtering: Filter results based on semantic similarity before ranking
- Query Expansion: Automatic query enhancement using related terms and concepts
- Result Diversification: Ensure diverse results to avoid echo chambers
- Recency Bias Control: Fine-tune preference for recent content with
recency_biasparameter - Context-Aware Search: Restrict search to specific documents using
context_list
Version 2.1.2 - February 7, 2025
🔧 Maintenance Release
- Security Patches: Updated dependencies and security improvements
- Error Handling: Better error messages with actionable suggestions
- Documentation Updates: Enhanced code examples and integration guides
- Index Optimization: Automatic background index compaction and cleanup
- Memory Leak Fixes: Resolved memory leaks in long-running search operations
- Connection Pooling: Improved database connection management for high-throughput scenarios
📊 Scalability Improvements
- Horizontal Partitioning: Distribute large indices across multiple nodes
- Read Replicas: Support for read-only replicas to handle increased query load
- Asynchronous Indexing: Non-blocking index updates for better write performance
- Resource Throttling: Intelligent resource allocation based on workload patterns
January 2025
Version 2.1.0 - January 23, 2025
🚀 New Features
- Enhanced User Memory System: Added
generate-user-memoryendpoint for automatic memory generation - Improved Batch Upload: New batch processing capabilities with better error handling
- App Integration: Native support for app-specific data sources with
app-uploadendpoint - Vector Index Versioning: Maintain multiple versions of indices for A/B testing
- Real-time Streaming Search: WebSocket-based streaming search results
- Custom Distance Metrics: Support for cosine, euclidean, dot product, and custom similarity functions
- Multi-Step Reasoning Engine: Break down complex queries with
multi_step_reasoningflag - Source Highlighting: Precise content location with
highlight_chunksand layout coordinates - User Personalization: Custom user instructions and personalized responses with
user_name
⚡ Performance & Scale
- Query Performance: 40% faster response times for search and QnA endpoints
- Memory Retrieval: Enhanced personalization with improved ranking algorithms
- API Documentation: Complete overhaul of API reference with interactive examples
- Massive Scale Support: Handle up to 100M+ vectors with sub-100ms query latency
- GPU Acceleration: CUDA-optimized vector operations for 10x faster indexing
- Adaptive Indexing: Dynamic index structure optimization based on query patterns
🔧 Quality & Reliability
- Fixed memory deletion edge cases in multi-tenant environments
- Resolved webpage scraping timeout issues for large documents
- Improved error handling for malformed document uploads
- Data Validation: Comprehensive input validation and sanitization
- Backup & Recovery: Automated incremental backups with point-in-time recovery
- Monitoring & Alerting: Proactive issue detection with detailed performance metrics
Version 2.0.5 - January 18, 2025
🔧 Updates
- Text Upload Optimization: Renamed and optimized markdown upload to text upload for better clarity
- Search Endpoint Enhancement: Improved search relevance scoring with machine learning models
- Documentation Updates: Enhanced use cases and implementation guides
- Vector Quantization: Product quantization for 8x storage reduction
- Hot/Cold Storage: Automatic tiering of frequently vs rarely accessed vectors
- Query Result Caching: Redis-based caching for frequently requested searches
- AI Generation Control: Toggle AI-powered responses with
ai_generationflag - Metadata Filtering: Advanced document filtering using
source_titleandsource_type
🎯 Search Quality
- Precision Tuning: Fine-tuned retrieval models for domain-specific content
- Recall Optimization: Improved coverage for long-tail and niche queries
- Relevance Scoring: Advanced BM25 + vector hybrid scoring algorithms
- Query Understanding: Better handling of ambiguous and multi-intent queries
- Result Count Control: Configurable result limits with
top_nandmax_chunksparameters
January 2025
Version 2.0.0 - January 9, 2025
🎉 Major Release
- Multi-Step Reasoning: Revolutionary multi-step query processing for complex questions
- Self-Improving System: Automatic learning from user interactions and feedback
- Advanced Personalization: Deep user profiling with preference learning
- Web Search Integration: Real-time web search capabilities for up-to-date information
- Enterprise Vector Database: Full-featured vector database with advanced transaction support
- Multi-Region Deployment: Global deployment with automatic geo-routing
🚀 Scale & Performance
- Petabyte Scale: Support for petabyte-scale vector collections
- Million QPS: Handle millions of queries per second with linear scaling
- Sub-millisecond Latency: P99 latency under 5ms for most queries
- Zero-Downtime Updates: Live index updates without service interruption
- Automatic Sharding: Intelligent data distribution across clusters
🔄 Breaking Changes
- Updated API versioning scheme (v1 → v2)
- Modified response format for search endpoints
- Renamed several endpoint parameters for consistency
- High Availability: 99.95% uptime with automated monitoring
December 2024
Version 1.8.0 - December 31, 2024
✨ New Features
- Custom Metadata Support: Rich metadata tagging with
tenant_metadataanddocument_metadata - Multi-Tenant Architecture: Complete isolation with
tenant_idandsub_tenant_idsupport - Advanced Filtering: Powerful filtering options for knowledge retrieval
- Batch Document Processing: Upload multiple documents with
batch_uploadendpoint - Session Management: Conversation tracking and context continuity with
session_id - Vector Similarity Search: Advanced ANN algorithms (HNSW, IVF, LSH)
- Incremental Index Updates: Update vectors without full reindexing
- Distributed Computing: Spark integration for large-scale batch operations
📈 Enterprise Scale
- High Availability: Multi-master setup with automatic failover
- Disaster Recovery: Cross-region replication with RPO < 1 minute
- Security Compliance: SOC2, GDPR, HIPAA compliance certifications
- Audit Logging: Comprehensive audit trails for all operations
Version 1.7.2 - December 17, 2024
🛡️ Security & Performance
- Enhanced security protocols for API authentication
- Improved rate limiting and request validation
- Optimized vector indexing for faster retrieval
- End-to-End Encryption: AES-256 encryption for vectors at rest and in transit
- Performance Monitoring: Real-time performance dashboards and SLI tracking
- Cost Optimization: Intelligent resource allocation reducing costs by 35%
🔍 Advanced Search
- Semantic Search Refinement: Improved understanding of user intent
- Faceted Search: Multi-dimensional filtering and faceting capabilities
- Search Analytics: Detailed query performance and result quality metrics
- Fuzzy Matching: Typo-tolerant search with configurable edit distance
November 2024
Version 1.7.0 - November 28, 2024
🔍 Search & Memory
- Contextual Answers: AI-powered answers with source attribution
- Memory Continuity: Persistent memory across user sessions
- Document Processing: Enhanced support for multiple file formats
October 2024
Version 1.6.0 - October 25, 2024
🚀 Platform Launch
- Initial Public Release: Cortex SDK goes live with core functionality
- Knowledge Ingestion: Document upload and webpage scraping
- Query & Retrieval: Semantic search and question-answering
- User Memory System: Basic user memory management
- API Documentation: Comprehensive developer documentation
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