2.3.0

This is a minor upgrade with new features, improvements, and bug fixes.

New Features

• Added an automatic update checker that notifies users when a new version is available.
• Added a new in-app help system using markdown-based documentation with a table of contents, images, and platform-specific instructions.
• Added new BNC/COCA 1.3.0 reference word lists with 35 levels.
• Added Linux Flatpak packaging support for easier installation on Linux.
• Added a build and distribution pipeline with automated version manifests, release notes generation, and PDF documentation creation. Improvements
• Refactored settings management to use a new serialization-based system, replacing the old INI-based configuration.
• Improved the coverage statistics aggregation logic.
• Reorganized reference word lists into versioned subdirectories.
• Improved file loading with better progress reporting and a dedicated loading thread.
• Improved the writable path handling for user data files.

Bug Fixes

• Fixed various issues with file profiling and stats updates.
• Fixed widget copy/paste behavior in list and table views.
• Fixed PDF text extraction to work more reliably.