v1.0.0

Added

• Initial stable release of MrBase64: encode images to Base64 and copy output as raw Base64 or Markdown reference-style data-URLs.
• Persistent output preference using @AppStorage.
• Drag & drop support and File → Open integration.
• Professional mascot integrated via Assets.xcassets/MascotCharacter.imageset.
• App icon added and asset catalog fixes applied.
• swiftlint and swiftformat configuration added and a lint job (.github/workflows/lint.yml) added to CI.
• Main window fixed-size (non-resizable) and app quits when main window is closed.
• Unit tests for encoding and MIME type detection.

Changed

• Various build and project configuration fixes to ensure asset catalog processing and successful local CI runs.

Fixed

• Resolved app icon asset and project.pbxproj issues that prevented correct icon compilation.

---

(For previous development notes see the repository history.)