3.0.0

🚀 What's New

Dual Excel Library Support

• ClosedXML Integration: The library now supports both EPPlus and ClosedXML as Excel writing backends.
• Flexible Writer Selection: Report generation works seamlessly with either library, allowing you to choose the best fit for your environment or licensing requirements.
• Core Abstractions: Core interfaces and shared logic are provided in Kevull.MultiHeader.Core, remaining agnostic to the underlying Excel writer implementation.

Improvements

• Project refactor for a cleaner separation of Excel writer–specific code.
• Improved extensibility for adding new Excel or spreadsheet engines in the future.

Tests

• Extended and reorganized test suites to validate both EPPlus and ClosedXML operation paths.

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This release marks a significant milestone by decoupling the engine dependencies, broadening compatibility, and making it easier to adopt the library in a wider range of projects.

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📝 Change list

• Add support to both EPPlus and ClosedXML libraries by @mnieto in #3

Full Changelog: 2.1.0...3.0.0