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Changelog

All notable changes to dotnet-plugin-engine are documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[2.0.2] - 2026-05-20

Fixed

  • Fix assembly load context leak when plugin is unloaded and reloaded
  • Added regression test for the fix

[2.0.0] - 2026-05-18

Breaking Changes

  • Default port changed from 5000 to 8080
  • Docker runtime base image switched from dotnet/runtime to dotnet/aspnet
  • Removed deprecated version field from docker-compose.yml (Compose v2+ standard)
  • ASPNETCORE_URLS now explicitly set to http://+:8080

Added

  • Multi-stage Dockerfile with .NET 10, build-time test execution, and non-root user
  • HTTP-based HEALTHCHECK (/health endpoint) replacing dotnet --version probe
  • docker-compose.yml with resource limits, structured logging, and plugin monitor service
  • Migration guide: docs/MIGRATION_v2.md

Changed

  • Bumped package version to 2.0.0
  • Docker labels updated to reflect v2.0.0
  • Health check start period increased to 10s for more reliable container startup

Fixed

  • Health check now validates actual application state instead of runtime presence

[1.0.0] - 2025-12-20

Added

  • Core plugin engine with AssemblyLoadContext isolation
  • Plugin loader service with automatic discovery
  • Dependency resolution with version constraints
  • Hot reload monitoring with FileSystemWatcher
  • Semantic versioning support
  • Version compatibility checking
  • Circular dependency detection
  • In-memory plugin repository
  • Configurable operation timeouts
  • Comprehensive exception hierarchy
  • Dependency injection integration
  • Full nullable reference types support
  • Extensive API documentation
  • Multiple usage examples

Features

  • 🔌 Plugin Isolation: AssemblyLoadContext per plugin
  • 🔄 Hot Reload: Zero-downtime plugin updates
  • 📦 Dependency Management: Transitive resolution and validation
  • 🏗️ Clean Architecture: Domain-driven design
  • 🔐 Type Safe: Full C# 13 support
  • ⚡ Performance: Async throughout, intelligent caching
  • 📊 Diagnostics: Health checks and statistics
  • 🔧 Extensible: Interface-based design
  • 🚀 Production Ready: Comprehensive error handling

Documentation

  • Complete README with architecture overview
  • Getting Started guide
  • API reference documentation
  • Deployment guide for production environments
  • FAQ with troubleshooting tips
  • Multiple working examples
  • Architecture deep dive

[0.2.0] - 2025-12-10

Added

  • Beta version with core functionality
  • Basic plugin loading
  • Simple dependency tracking
  • Manual plugin unloading
  • Initial documentation

[0.1.0] - 2025-11-15

Added

  • Initial project structure
  • Core entity models
  • Service interfaces
  • Basic implementation skeleton
  • License and documentation skeleton

Dependencies

Runtime

  • .NET Runtime 10.0.0 or later
  • Microsoft.Extensions.DependencyInjection 10.0.0 or later
  • Microsoft.Extensions.Logging 10.0.0 or later

Build

  • .NET SDK 10.0.0 or later
  • C# 13 compiler or later

Roadmap

Planned for 1.1.0

  • Plugin marketplace integration
  • Distributed plugin cache
  • Enhanced plugin analytics
  • Plugin compatibility matrix
  • Progressive rollout support

Future Considerations

  • AppDomain-based isolation (legacy .NET Framework)
  • Plugin compilation/AOT support
  • Cross-platform plugin signing
  • Plugin update notifications
  • Plugin telemetry dashboard

Contributors

Support

For issues, questions, or suggestions:

Last Updated: 2026-03-08