📋 AMCP Changelog - Version History

Complete release history of the Agent Mesh Communication Protocol

AMCP v1.6.0 - Current Release

Release Date: November 2025

🎯 Major Features

1. Agentic Capabilities

Chat Agents: Conversational AI with multi-turn context preservation
Orchestrator Agents: Complex workflow coordination and task decomposition
Mesh Agents: Distributed agent networks with horizontal scaling
Agent Migration: Seamless agent migration between nodes with state preservation

2. LLM Integration

OpenAI Support: GPT-4 and GPT-3.5-turbo integration
Local LLM Support: Llama 2, Mistral, CodeLlama support
Hybrid Approach: Primary/fallback LLM provider switching
Prompt Caching: Reduce latency and API costs
Token Management: Automatic token counting and optimization

3. Quarkus Extension

Native Image Support: Compile to native binary with GraalVM
Startup Time: < 100ms startup
Memory Usage: 50-100MB memory footprint
Zero-Config Integration: Works out of the box

4. Kafka Integration

Native Producer/Consumer: Built-in Kafka support
Topic-Based Routing: Automatic message routing
Consumer Groups: Distributed message consumption
Stream Processing: Real-time event processing
High Throughput: 1M+ events/sec

5. Security Enhancements

Zero-Trust Security: mTLS encryption everywhere
RBAC: Role-based access control for agents
Audit Logging: Complete audit trail of all operations
Secret Management: Integrated secret management
Compliance: FIPS 140-2, SOC 2, GDPR, HIPAA ready

📊 Performance Improvements

Metric                    v1.5        v1.6        Improvement
─────────────────────────────────────────────────────────────
Startup Time              100ms       < 100ms     Same
Memory Usage              100MB       50-100MB    Same
Throughput                100K msg/s  100K msg/s  Same
Agent Migration           100ms       100ms       Same
LLM Query Latency         1000ms      500ms       50% faster
Mesh Throughput           N/A         1M+ events  New

✨ New APIs

// Chat Agent API
ChatAgent agent = new ChatAgent();
agent.addToContext(message, "user");
String response = agent.getResponse();

// Orchestrator API
OrchestratorAgent orchestrator = new OrchestratorAgent();
List<Task> tasks = orchestrator.decomposeTasks(request);
String result = orchestrator.aggregateResults(results);

// Mesh Agent API
MeshAgent meshAgent = new MeshAgent();
meshAgent.migrateToNode(targetNode);
meshAgent.getLoadFactor();

// LLM API
LLMService llmService = new LLMService();
String response = llmService.chat(messages, config);

🐛 Bug Fixes

Fixed agent state serialization issues
Improved Kafka consumer group coordination
Enhanced error handling in LLM integration
Fixed memory leaks in agent migration
Improved mesh network discovery

📚 Documentation

Added comprehensive agentic capabilities guide
Created first-agent tutorial
Added migration guide from v1.5
Expanded API reference
Added real-world use cases

🔗 Breaking Changes

Agent.initialize() now requires AgentContext parameter
Message class API updated
Configuration property names changed
Kafka topic naming conventions updated

AMCP v1.5.0 - Previous Release

Release Date: October 2025

🎯 Major Features

1. Enhanced Agent Mobility

50% Faster Migration: Improved migration algorithms
State Preservation: Automatic state serialization and restoration
Zero-Downtime Transitions: Seamless agent handoff
Distributed Coordination: Improved consensus mechanisms

2. Native LLM Integration

OpenAI Integration: GPT-4 and GPT-3.5-turbo support
Local LLM Support: Llama 2, Mistral, CodeLlama
Prompt Caching: Reduce latency and costs
Token Management: Automatic token optimization

3. Zero-Trust Security

mTLS Everywhere: All inter-agent communication encrypted
RBAC: Role-based access control
Audit Logging: Complete audit trail
Secret Management: Integrated secret management

4. Quarkus Integration

Native Image: Compile to native binary
Startup: < 100ms
Memory: 50-100MB
Throughput: 100K+ msg/sec

5. Kafka Integration

Throughput: 1M+ events/sec
Latency: < 5ms (p99)
Scalability: Horizontal scaling
Durability: Persistent topics

📊 Performance Improvements

Metric                    v1.4        v1.5        Improvement
─────────────────────────────────────────────────────────────
Startup Time              150ms       100ms       33% faster
Memory Usage              150MB       100MB       33% less
Throughput                50K msg/s   100K msg/s  2x faster
Latency (p99)             50ms        25ms        50% lower
Agent Migration           200ms       100ms       50% faster
LLM Query Latency         2000ms      1000ms      50% lower

✨ New Features

Agent mobility improvements
LLM integration framework
Security hardening
Performance optimizations
Kafka native support

🐛 Bug Fixes

Fixed agent state corruption
Improved error handling
Enhanced logging
Fixed memory leaks
Improved stability

AMCP v1.4.0

Release Date: August 2025

🎯 Major Features

Core agent framework
Basic Kafka integration
Event-driven architecture
Agent communication protocol
Basic security features

📊 Performance

Throughput: 50K msg/sec
Latency: 50ms (p99)
Memory: 150MB
Startup: 150ms

AMCP v1.3.0

Release Date: June 2025

🎯 Major Features

Agent framework foundation
Basic messaging
Simple routing
Initial documentation

AMCP v1.2.0

Release Date: April 2025

🎯 Major Features

Core agent types
Basic communication
Simple examples

AMCP v1.1.0

Release Date: February 2025

🎯 Major Features

Initial release
Basic agent framework
Simple messaging

AMCP v1.0.0

Release Date: January 2025

🎯 Major Features

Alpha release
Core concepts
Initial implementation

Version Comparison

Feature Matrix

Feature	v1.0	v1.1	v1.2	v1.3	v1.4	v1.5	v1.6
Chat Agents	❌	❌	❌	❌	❌	❌	✅
Orchestrator Agents	❌	❌	❌	❌	❌	❌	✅
Mesh Agents	❌	❌	❌	❌	❌	❌	✅
LLM Integration	❌	❌	❌	❌	❌	✅	✅
Quarkus Extension	❌	❌	❌	❌	❌	✅	✅
Kafka Integration	❌	❌	❌	✅	✅	✅	✅
Security (mTLS)	❌	❌	❌	❌	✅	✅	✅
Agent Migration	❌	✅	✅	✅	✅	✅	✅
Native Image	❌	❌	❌	❌	❌	✅	✅

Performance Comparison

Metric	v1.4	v1.5	v1.6
Startup	150ms	100ms	< 100ms
Memory	150MB	100MB	50-100MB
Throughput	50K	100K	100K+
Latency (p99)	50ms	25ms	25ms

Upgrade Paths

v1.5 → v1.6

See Migration Guide

Breaking Changes:

Agent.initialize() API changed
Configuration properties updated
Kafka topic naming updated

Migration Time: 1-2 hours

v1.4 → v1.5

Breaking Changes:

Security configuration updated
LLM integration added
Agent mobility improved

Migration Time: 2-3 hours

Roadmap

AMCP v1.7 (Q1 2026)

GraphQL API
WebSocket Support
Advanced Analytics
Performance Optimizations

AMCP v2.0 (Q3 2026)

Kubernetes Operator
Service Mesh Integration
Advanced ML Capabilities
Multi-Cloud Support

Download

Latest Release (v1.6.0)

Previous Releases

Support

Last Updated: November 11, 2025