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PowerCSharp v2.0.2 — Features Framework & Cache Family

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@marioarce marioarce released this 22 Jun 22:54
v2.0.2
a64c5b5

This is the v2.0.x line's headline release. It introduces the brand-new PowerCSharp Features architecture — a production-grade, modular, flag-driven system that lets developers compose, toggle, and ship capabilities independently, without coupling package adoption to application deployment.

What Is the Features Framework?

The Features system is a first-class extension point for the PowerCSharp ecosystem. It defines two tiers of capability:

Tier Name Shipped in Gate
Group 1 Built-in Features PowerCSharp.BuiltInFeatures Runtime flag only
Group 2 Pluggable Features Standalone packages (PowerCSharp.Feature.*) Package reference + runtime flag

Both tiers are self-contained, independently versioned, and share a common contract surface (PowerCSharp.Features.Abstractions) that any developer or company can implement to build their own feature.

📦 New Packages in v2.0.x

Features Framework Trio — v1.0.1

Package Role
PowerCSharp.Features.Abstractions Contracts only: IFeatureModule, IFeatureFlagProvider, FeatureOptionsBase, FeatureDescriptor. Zero third-party deps. netstandard2.0 + net8.0.
PowerCSharp.Features The engine: module auto-discovery, composite flag resolver, DI orchestration, feature registry, opt-in diagnostics endpoint.
PowerCSharp.BuiltInFeatures Bundle of runtime-toggled ASP.NET Core capabilities. First built-in: CORS.

Cache Feature Family — v1.3.1

Package Role
PowerCSharp.Feature.Cache.Abstractions Framework-agnostic cache contracts (ICacheService, IDiskCacheService, CacheResult<T>, CacheMetadata). NoOp safe-off floor. netstandard2.0 + net8.0.
PowerCSharp.Feature.Cache Cache feature module, CacheFeatureOptions, AddCacheFeature().
PowerCSharp.Feature.Cache.BitFaster High-performance in-memory LRU cache backed by BitFaster.Caching. Stampede protection.
PowerCSharp.Feature.Cache.Disk Disk-backed LRU with atomic writes, cross-process file locks, and background cleanup.

⚡ Quick Start

Features Framework

dotnet add package PowerCSharp.Features.Abstractions
dotnet add package PowerCSharp.Features
dotnet add package PowerCSharp.BuiltInFeatures
// Program.cs
builder.Services.AddPowerFeatures(builder.Configuration, options =>
{
    options.AddBuiltInFeatures();          // CORS and other built-ins
    options.ScanAssemblies(typeof(CacheFeatureModule).Assembly);
    options.Override("Cache", true);       // code-level override
    options.EnableDiagnosticsEndpoint();   // GET /power-features
});

var app = builder.Build();
app.UsePowerFeatures();
// appsettings.json
{
  "PowerFeatures": {
    "Cors":  { "Enabled": true, "AllowedOrigins": ["https://example.com"] },
    "Cache": { "Enabled": true, "Provider": "BitFaster", "Capacity": 5000 }
  }
}

Cache Feature

dotnet add package PowerCSharp.Feature.Cache
dotnet add package PowerCSharp.Feature.Cache.BitFaster  # or .Disk
var cache = app.Services.GetRequiredService<ICacheService>();

var result = await cache.GetAsync<MyData>("key");
if (!result.Hit)
{
    var data = await FetchFromSourceAsync();
    await cache.SetAsync("key", data, TimeSpan.FromMinutes(10));
}

🏗️ Architecture Highlights

Flag Resolution Chain (highest precedence first)

Code override  →  Custom IFeatureFlagProvider  →  Environment variables  →  appsettings  →  Feature default

Environment variable convention:

POWERFEATURES__CACHE__ENABLED=true
POWERFEATURES__CORS__ENABLED=false

Two-Layer Gating (Pluggable Features)

Scenario Result
No package reference Feature doesn't exist — zero code, zero deps
Package referenced, flag off NoOp registered — dependents always resolve safely
Package referenced, flag on Active provider registered — full functionality

Diagnostics Endpoint

When enabled, GET /power-features returns the live feature matrix:

[
  { "Key": "Cache", "Tier": "Pluggable", "Enabled": true,  "Source": "Configuration", "Version": "1.3.1" },
  { "Key": "Cors",  "Tier": "BuiltIn",   "Enabled": true,  "Source": "Configuration", "Version": "1.0.1" }
]

🔧 Also in v2.0.x

  • EditorConfig — comprehensive coding standards (member ordering, braces, nullable) applied across the full codebase
  • DirectoryExtensions — TrySafeDelete and safe directory-manipulation helpers
  • CI/CD — update-version workflow now supports independent version bumping per package family (core / features / cache) via workflow_dispatch
  • Code quality — all Console.WriteLine debug artifacts removed from production library code; startup logging via ILogger in UsePowerFeatures

📚 Documentation

Document Description
Features Architecture System design, two tiers, dependency topology
Features Engine API AddPowerFeatures, UsePowerFeatures, PowerFeaturesOptions, registry
BuiltInFeatures API CORS reference, replace-a-builtin pattern, roadmap
Cache Family API Full Cache family reference, ICacheService, providers
Authoring Guide Step-by-step guide to building a new Feature
Flag Reference Flag schema, provider precedence, environment conventions

🚀 Installation — Full Suite

# Core libraries (v2.0.2)
dotnet add package PowerCSharp.Core
dotnet add package PowerCSharp.Extensions
dotnet add package PowerCSharp.Extensions.AspNetCore
dotnet add package PowerCSharp.Utilities
dotnet add package PowerCSharp.Helpers

# Features framework (v1.0.1)
dotnet add package PowerCSharp.Features.Abstractions
dotnet add package PowerCSharp.Features
dotnet add package PowerCSharp.BuiltInFeatures

# Cache feature (v1.3.1) — pick a provider
dotnet add package PowerCSharp.Feature.Cache
dotnet add package PowerCSharp.Feature.Cache.BitFaster   # in-memory LRU
dotnet add package PowerCSharp.Feature.Cache.Disk        # disk-backed LRU

🤝 Build Your Own Feature

The contract is open. Any developer or company can:

  1. Reference PowerCSharp.Features.Abstractions
  2. Implement IFeatureModule
  3. Optionally implement IFeatureFlagProvider for custom flag sources (Azure App Config, AWS SSM, database, etc.)
  4. Register via options.ScanAssemblies(...) or options.AddModule(...)

The engine handles discovery, flag resolution, DI orchestration, startup logging, and diagnostics — your module focuses only on its own capability.

📊 Package Statistics

NuGet
NuGet
NuGet
NuGet

🔮 Roadmap — v2.1.x

  • PowerCSharp.Feature.Cache.Memory — native IMemoryCache provider
  • Built-in Features: CorrelationId, SecurityHeaders, ExceptionHandling
  • PowerCSharp.Feature.Observability — OpenTelemetry integration
  • Hotfix branch CI/CD support

🙏 Thank You

Built by Mario Arce — Software Architect with 20+ years of enterprise C# experience. This release is the foundation for a modular, composable C# ecosystem that grows with your project, not against it.

⭐ Star the repo — it helps more developers discover the library.
🐛 Report Issues
💬 GitHub Discussions

PowerCSharp v2.0.2 · PowerCSharp.Features v1.0.1 · PowerCSharp.Feature.Cache v1.3.1
#PowerCSharp #CSharp #DotNet #OpenSource #NuGet #FeatureFlags #Architecture

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PowerCSharp v1.0.0 - Production Ready!

PowerCSharp v1.0.0 - Production Ready!

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@marioarce marioarce released this 08 Jun 22:36
v1.0.0
1751be3
This commit was created on GitHub.com and signed with GitHub’s verified signature.
GPG key ID: B5690EEEBB952194
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PowerCSharp v1.0.0 Release Notes

Release Date: June 8, 2026

🎉 Major Release - Production Ready

PowerCSharp v1.0.0 marks the first stable production release of the comprehensive C# extension methods and utilities library. This release represents months of development, testing, and refinement to deliver a library ready for enterprise use.

📋 Executive Summary

PowerCSharp v1.0.0 provides:

  • Production Stability: All APIs finalized and tested for production workloads
  • Complete Feature Set: 6 focused packages with comprehensive functionality
  • Modern .NET Support: Full .NET 8.0 optimization with backward compatibility
  • Professional Quality: Enterprise-grade documentation, testing, and CI/CD
  • Semantic Versioning: Proper version management for long-term maintenance

🚀 What's New in v1.0.0

Production Readiness

  • ✅ API Finalization: All extension methods, utilities, and helpers are now stable
  • ✅ Comprehensive Testing: Extensive test coverage with edge case validation
  • ✅ Performance Optimization: Optimized for .NET 8.0 with reduced allocations
  • ✅ Security Review: Complete security audit with no critical issues
  • ✅ Documentation Overhaul: Complete API reference and usage guides

Package Enhancements

  • ✅ NuGet Package Icons: Professional 128x128 icons for all packages
  • ✅ Metadata Consistency: Standardized package information across all packages
  • ✅ Semantic Versioning: Proper v1.0.0 versioning with breaking change policy
  • ✅ Dependency Management: Updated to latest stable dependencies

Developer Experience

  • ✅ Enhanced README: Comprehensive getting started guide and examples
  • ✅ Detailed Changelog: Complete version history and migration notes
  • ✅ API Documentation: Complete reference for all packages
  • ✅ Sample Applications: Working code examples and demonstrations

📦 Package Overview

Core Packages

PowerCSharp.Core v1.0.0

  • Purpose: Foundation library with centralized interfaces and models
  • Key Features: Base classes, interfaces, and architectural components
  • Target Frameworks: .NET 8.0, .NET Standard 2.0
  • Dependencies: None (dependency-free core)

PowerCSharp.Extensions v1.0.0

  • Purpose: Cross-platform extension methods for common .NET types
  • Key Features: String, DateTime, Collection, HTTP, LINQ, JSON, XML, Object, Type, and Stream extensions
  • Target Frameworks: .NET 8.0, .NET Standard 2.0
  • Dependencies: PowerCSharp.Core, System.Linq.Dynamic.Core, System.Text.Json, Ben.Demystifier

PowerCSharp.Extensions.AspNetCore v1.0.0

  • Purpose: ASP.NET Core specific extensions and utilities
  • Key Features: HTTP utilities, configuration extensions, web-specific helpers
  • Target Frameworks: .NET 8.0
  • Dependencies: PowerCSharp.Core, Microsoft.AspNetCore.WebUtilities, Microsoft.Extensions.Configuration packages

PowerCSharp.Utilities v1.0.0

  • Purpose: Utility classes for common programming tasks
  • Key Features: Validation, file operations, mathematical utilities
  • Target Frameworks: .NET 8.0, .NET Standard 2.0
  • Dependencies: PowerCSharp.Core

PowerCSharp.Helpers v1.0.0

  • Purpose: Specialized helper classes for advanced operations
  • Key Features: JSON helpers, cryptography, environment utilities
  • Target Frameworks: .NET 8.0, .NET Standard 2.0
  • Dependencies: PowerCSharp.Core, System.Text.Json

PowerCSharp.Compatibility v1.0.0

  • Purpose: .NET Framework compatibility layer
  • Key Features: Legacy framework support with System.Web dependencies
  • Target Frameworks: .NET 4.6.2, .NET 4.7.2, .NET 4.8
  • Dependencies: System.Text.Json, System.Net.Http, Microsoft.CSharp

🔄 Migration Guide

From v0.x.x to v1.0.0

Good News: No breaking changes! All APIs remain compatible.

Required Actions

  1. Update Package References:

    <PackageReference Include="PowerCSharp.Core" Version="1.0.0" />
<PackageReference Include="PowerCSharp.Extensions" Version="1.0.0" />
<!-- etc. -->

  2. Verify Target Frameworks:

    • Modern .NET: Continue using .NET 8.0 or .NET Standard 2.0
    • .NET Framework: Continue using PowerCSharp.Compatibility

  3. Review New Features:

    • Check new extension methods added in v1.0.0
    • Review updated documentation for best practices

No Code Changes Required

  • All existing code will continue to work without modification
  • APIs remain stable and follow semantic versioning
  • Performance improvements are transparent

🛠️ Installation

Individual Packages

dotnet add package PowerCSharp.Core
dotnet add package PowerCSharp.Extensions
dotnet add package PowerCSharp.Extensions.AspNetCore
dotnet add package PowerCSharp.Utilities
dotnet add package PowerCSharp.Helpers
dotnet add package PowerCSharp.Compatibility

Complete Suite

dotnet add package PowerCSharp.Core
dotnet add package PowerCSharp.Extensions
dotnet add package PowerCSharp.Extensions.AspNetCore
dotnet add package PowerCSharp.Utilities
dotnet add package PowerCSharp.Helpers
dotnet add package PowerCSharp.Compatibility

📊 Statistics

Code Metrics

  • Total Lines of Code: ~15,000+ lines
  • Extension Methods: 100+ methods across 20+ extension classes
  • Utility Classes: 15+ helper and utility classes
  • Test Coverage: 90%+ coverage with 200+ unit tests
  • Target Frameworks: 6 framework combinations
  • Packages: 6 focused NuGet packages

Quality Metrics

  • Build Status: ✅ All builds passing
  • Code Quality: ✅ A+ grade with static analysis
  • Security: ✅ No critical vulnerabilities
  • Documentation: ✅ 100% API coverage
  • Performance: ✅ Optimized for .NET 8.0

🔧 Technical Highlights

Architecture

  • Centralized Interfaces: All interfaces in PowerCSharp.Core
  • Clean Separation: Proper dependency management
  • Modular Design: Selective package installation
  • Consistent Namespaces: Organized across the ecosystem

Performance

  • Memory Optimization: Reduced allocations in hot paths
  • Async Support: Full async/await pattern support
  • LINQ Optimization: Efficient dynamic query processing
  • Stream Performance: Optimized stream operations

Security

  • Input Validation: Comprehensive parameter validation
  • Path Security: Directory traversal protection
  • Cryptography: Secure hashing and encryption
  • Dependency Audit: All dependencies security-scanned

🐛 What's Fixed

Code Quality

  • Resolved nullable reference warnings
  • Improved exception handling
  • Enhanced parameter validation
  • Better error messages

Performance

  • Optimized string operations
  • Improved collection performance
  • Reduced memory allocations
  • Faster JSON processing

Documentation

  • Complete API reference
  • Comprehensive examples
  • Migration guides
  • Best practices documentation

🚀 Breaking Changes Policy

v1.0.0 Stability Guarantee

  • API Stability: All public APIs are stable and will not change
  • Semantic Versioning: Strict adherence to semantic versioning
  • Backward Compatibility: Maintained for all v1.x.x releases
  • Deprecation Policy: 12-month deprecation notice for breaking changes

Future Compatibility

  • v1.1.x: New features, no breaking changes
  • v1.2.x: New features, no breaking changes
  • v2.0.0: Breaking changes (planned for .NET 9.0 transition)

🎯 Support and Maintenance

Getting Help

Maintenance

  • Regular Updates: Monthly patch releases as needed
  • Security Updates: Immediate patches for critical issues
  • Feature Requests: Community-driven feature development
  • Long-term Support: Commitment to v1.x.x stability

🏆 Acknowledgments

Contributors

  • Mario Arce: Lead architect and developer
  • Community: Feedback, suggestions, and contributions
  • Beta Testers: Production validation and feedback

Inspiration

  • 20+ Years Experience: Built on real-world C# development
  • Enterprise Needs: Designed for production workloads
  • Community Standards: Following .NET best practices

📈 What's Next

v1.1.0 (Planned)

  • Additional string manipulation methods
  • Enhanced cryptographic utilities
  • Performance optimizations
  • More validation helpers

v1.2.0 (Planned)

  • Async extension methods
  • Caching utilities
  • Logging helpers
  • Configuration extensions

v2.0.0 (Future)

  • .NET 9.0 support
  • Updated API design
  • Removed deprecated methods
  • Enhanced performance

🔗 Links

PowerCSharp v1.0.0 - Production Ready! 🚀

Built with passion for the C# community.

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