1.3.0

This release makes the necessary changes to add compatibility with WordPress 5.6 and Gutenberg 9.5.

• Add language slug and name to <pre> wrapper element, including on data- attributes and an accessibility description (and SEO label) which is visually hidden by default. #208, #37
• Add support for font size setting and fix line wrapping setting in Gutenberg 9.5. #228, #229, #230
• Add support for Gutenberg 9.2. #200, #201, #188
• Add option to remove styles from frontend via a syntax_highlighting_code_block_styling filter. #194, #212
• Upgrade highlight.php to v9.18.1.3 to fix unexpected line number appearing on same line and empty code block causes highlight.php warning. #193, #189, #195
• Bump highlight.php to 9.18.1.5 to improve performance for large code snippets. #223

Please see wiki for examples of advanced usage.

Props to @allejo as always! Thanks also to @mkaz.