fixed    select2 style conflict with themes and plugins built on Redux Framework

  fixed    rendering 0 on empty matchweek in game header

  updated    dependent libs

  added    thumbnail images for clubs, players, staff, referees, stadiums at the archive page

  added    club abbreviation used by default in Standing table Mini layout (widget)

  added    option to filter Competitions by active season on Match creation

  added    option to show Club name in Clubs widget and shortcode

  added    galleries for player and club (media tab)

  added    option to change permalink base slugs

  added    Shortcode builder (Football Leagues >> Shortcodes >> Shortcode Builder tab)

  added    Shortcode documentation How To's

  improved    Shortcode UI helper for Classic editor

  improved    admin UI for Match and Squad edit page

  improved    JS scripts (remove Bootstrap 4 JS, changed tooltips library to Tippy, changed season dropdown to select tag)