• Added Split View for side-by-side and top-and-bottom editing, with draggable dividers and per-window layout restoration.
• Added Diff View to compare your working copy with the file on disk, with side-by-side and inline displays.
• Added a Merge Changes option to combine external file changes with unsaved edits, preserving both versions of conflicting text.
• Added keyboard shortcuts for Diff View and Split View.
• Added a dedicated warning-button menu for comparing, merging, reloading, and closing Split View.
• Improved resizing performance for large, word-wrapped documents in both normal and diff editors by prioritizing visible text and deferring offscreen wrapping.