Experiencing the same issue with the latest update, it’s triggering a fatal error:
PHP Fatal error: Uncaught Error: Cannot iterate on string offsets by reference in /Users/alex/Sites/usom/wp-content/plugins/elementor/includes/base/controls-stack.php:1153\nStack trace:\n#0 /Users/alex/Sites/usom/wp-content/plugins/ele-custom-skin/ele-custom-skin.php(40): Elementor\\Controls_Stack->parse_dynamic_settings('', Array)\n#1 /Users/alex/Sites/usom/wp-includes/class-wp-hook.php(286): ECS_set_bg_element(Object(Elementor\\Element_Section))\n#2 /Users/alex/Sites/usom/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array)\n#3 /Users/alex/Sites/usom/wp-includes/plugin.php(465): WP_Hook->do_action(Array)\n#4 /Users/alex/Sites/usom/wp-content/plugins/elementor/includes/base/element-base.php(658): do_action('elementor/front...', Object(Elementor\\Element_Section))\n#5 /Users/alex/Sites/usom/wp-content/plugins/elementor/core/base/document.php(1168): Elementor\\Element_Base->print_element()\n#6 /Users/alex/Sites/usom/wp-content/plugins/elementor/core/base/document.php(808): Elementor\\Core\\Base\\Document->print_elements(Arra in /Users/alex/Sites/usom/wp-content/plugins/elementor/includes/base/controls-stack.php on line 1153, referer: https://usom.localhost/wp-admin/plugins.php
