v1.2.1

• Added an experimental setting to enable HTML format on body elements.
• Added settings for monospaced fonts, which applies to <pre>, <code>, and <samp> elements in body components when HTML formatting is enabled.
• Added additional text formatting options, including tracking (letter-spacing) and line height.
• Split text formatting options for headings to allow full customization per heading level.
• Modified logic for image alignment so that centered and non-aligned images now appear centered instead of right-aligned.
• Added an option for full-bleed images that will cause all centered and non-aligned images to display edge-to-edge.
• Added logic to intelligently split body elements around anchor targets to allow for more opportunities for ad insertion.
• Modified column span logic on left and right orientation to align the right side of the text with the right side of right-aligned images.
• Fixed a bug caused by hardcoded column spans on center orientation.
• Fixed a PHP warning about accessing a static class method using arrow syntax.
• Added unit test coverage for new functionality.
• Refactored several core files to conform to WordPress standards and PHP best practices.