Most of the CSS rules have been rewritten and almost all template files have been changed.
If you have custom Additional CSS rules, revise them.
Most of the plugin display settings had been moved to the Customizer.
added new CSS classes to the most template files
added special integration with SiteOrigin CSS for easy customizing
removed IE support (CSS styles and some scripts)
improved optimized and removed unused CSS styles (main CSS file size is reduced appr. 300%)
improved loading scripts (Justified gallery + Featherlight) - only on required pages; - removed OverlayScrollbars
improved rewroted all plugin templates (using new classes) + better mobile support
fixed Staff photos in Birthday widget/shortcode
improved Most of the plugin display settings have been moved to the Customizer
added Data Import tool - Club ID & Club External ID in Clubs import
added Data Import tool - Stadiums Import
New Customize plugin menu
Customer support service by UserEcho