No Beuno! FATAL ERROR

Something is missing from the latest version:

[08-Sep-2026 07:34:22 UTC] PHP Warning: require_once(/var/www/aiplugin.dev/wp-content/plugins/markup-markdown/MarkupMarkdown/Addons/Released/class-backwardcompat.php): Failed to open stream: No such file or directory in /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/class-addons.php on line 80
[08-Sep-2026 07:34:22 UTC] PHP Fatal error: Uncaught Error: Failed opening required ‘/var/www/aiplugin.dev/wp-content/plugins/markup-markdown/MarkupMarkdown/Addons/Released/class-backwardcompat.php’ (include_path=’.:/usr/share/php’) in /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/class-addons.php:80
Stack trace: 0 /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/class-addons.php(51): MarkupMarkdown\Core\Addons->load_addons() 1 /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/class-activation.php(86): MarkupMarkdown\Core\Addons->__construct() 2 /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/class-activation.php(45): MarkupMarkdown\Core\Activation->initialize() 3 /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/markup-markdown.php(415): MarkupMarkdown\Core\Activation->__construct() 4 /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/markup-markdown.php(429): Markup_Markdown_Instance::instance() 5 /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/markup-markdown.php(432): markup_markdown() 6 /var/www/aiplugin.dev/wp-admin/includes/plugin.php(2382): include_once(‘…’) 7 /var/www/aiplugin.dev/wp-admin/includes/plugin.php(673): plugin_sandbox_scrape() 8 /var/www/aiplugin.dev/wp-admin/plugins.php(60): activate_plugin() 9 {main}

thrown in /var/www/aiplugin.dev/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/class-addons.php on line 80