Working pagination for Repeaters & Easy Posts on static home pages

code-snippet.php

add_action( 'pre_get_posts', 'wpdd_pagination_fix_static_homepage' );
/**
 * Fix pagination issue for custom loops on static homepage.
 *
 * @param WP_Query $query The default query for the front page.
 * @return WP_Query The default query with custom parameters added.
 */
function wpdd_pagination_fix_static_homepage( $query ) {
	$front_page_id        = get_option( 'page_on_front' );
    $current_page_id      = $query->get( 'page_id' );
	$is_static_front_page = 'page' === get_option( 'show_on_front' );
	
	if ( $is_static_front_page && $front_page_id == $current_page_id  ) {
		if ( get_query_var( 'paged' ) ) {
			$paged = get_query_var( 'paged' );
		} elseif ( get_query_var( 'page' ) ) {
			$paged = get_query_var( 'page' );
		} else {
			$paged = 1;
		}

		$paged = intval( $paged );

		$query->set( 'paged', $paged );
	}
	
	return $query;
}