Wordpress Divi theme fix - show tags in Blog module + single post

Blog-1.php

/* (Go to  Appearance > Editor) */
/* Code in this file and in the Blog-2.php go to Divi/includes/builder/module/Blog.php - they'll be overwritten if you update Divi. */ 
/* Search for class="post-meta" and you'll find two matches - one for the visual builder module version, the second for the output on the live website. */
/* Paste this code in the place of the first match (delete the old code in the file first): */
									printf( '<p class="post-meta">%1$s %2$s %3$s %4$s %5$s %6$s %7$s %8$s %9$s</p>',
										(
											'on' === $args['show_author']
												? et_get_safe_localization( sprintf( __( 'by %s', 'et_builder' ), '<span class="author vcard">' .  et_pb_get_the_author_posts_link() . '</span>' ) )
												: ''
										),
										(
											( 'on' === $args['show_author'] && 'on' === $args['show_date'] )
												? ' | '
												: ''
										),
										(
											'on' === $args['show_date']
												? et_get_safe_localization( sprintf( __( '%s', 'et_builder' ), '<span class="published">' . esc_html( get_the_date( $args['meta_date'] ) ) . '</span>' ) )
												: ''
										),
										(
											(( 'on' === $args['show_author'] || 'on' === $args['show_date'] ) && 'on' === $args['show_categories'] )
												? ' | '
												: ''
										),
										(
											'on' === $args['show_categories']
												? get_the_category_list(', ')
												: ''
										),
										(
											(( 'on' === $args['show_author'] || 'on' === $args['show_date'] || 'on' === $args['show_categories'] ) && 'on' === $args['show_comments'])
												? ' | '
												: ''
										),
										(
											'on' === $args['show_comments']
												? sprintf( esc_html( _nx( '%s Comment', '%s Comments', get_comments_number(), 'number of comments', 'et_builder' ) ), number_format_i18n( get_comments_number() ) )
												: ''
										),
										// adding tags:
										(
											( ( 'on' === $args['show_author'] || 'on' === $args['show_date'] || 'on' === $args['show_categories'] || 'on' === $args['show_comments'] ) &&  ( get_the_tag_list() && ! is_wp_error(get_the_tag_list()) ) )
												? ' | '
												: ''
										),
										(
											( get_the_tag_list() && ! is_wp_error( get_the_tag_list() ) )
												? '<span class="post-tags">' . get_the_tag_list( '', ', ' ) . '</span>'
												: ''
										)
									);

Blog-2.php

/* Now paste this code in the place of the secondd match. Again, overwriting the original code: */
						printf( '<p class="post-meta">%1$s %2$s %3$s %4$s %5$s %6$s %7$s %8$s %9$s</p>',
							(
								'on' === $show_author
									? et_get_safe_localization( sprintf( __( 'by %s', 'et_builder' ), '<span class="author vcard">' .  et_pb_get_the_author_posts_link() . '</span>' ) )
									: ''
							),
							(
								( 'on' === $show_author && 'on' === $show_date )
									? ' | '
									: ''
							),
							(
								'on' === $show_date
									? et_get_safe_localization( sprintf( __( '%s', 'et_builder' ), '<span class="published">' . esc_html( get_the_date( $meta_date ) ) . '</span>' ) )
									: ''
							),
							(
								(( 'on' === $show_author || 'on' === $show_date ) && 'on' === $show_categories)
									? ' | '
									: ''
							),
							(
								'on' === $show_categories
									? get_the_category_list(', ')
									: ''
							),
							(
								(( 'on' === $show_author || 'on' === $show_date || 'on' === $show_categories ) && 'on' === $show_comments)
									? ' | '
									: ''
							),
							(
								'on' === $show_comments
									? sprintf( esc_html( _nx( '%s Comment', '%s Comments', get_comments_number(), 'number of comments', 'et_builder' ) ), number_format_i18n( get_comments_number() ) )
									: ''
							),
							// adding tags:
							(
								( ('on' === $show_author || 'on' === $show_date || 'on' === $show_categories || 'on' === $show_comments) &&  (get_the_tag_list() && ! is_wp_error(get_the_tag_list())) )
									? ' | '
									: ''
							),
							(
								( get_the_tag_list() && ! is_wp_error( get_the_tag_list() ) )
									? '<span class="post-tags">' . get_the_tag_list( '', ', ' ) . '</span>'
									: ''
							)
						);

functions.php

/* Add this code anywhere in child theme's functions.php. If you don't have a child theme add it to Divi's functions.php - but then it will be reset if you update Divi: */

/* adding tags to posts */
function et_pb_postinfo_meta( $postinfo, $date_format, $comment_zero, $comment_one, $comment_more ){
	$postinfo_meta = '';

	if ( in_array( 'author', $postinfo ) )
		$postinfo_meta .= ' ' . esc_html__( 'by', 'et_builder' ) . ' <span class="author vcard">' . et_pb_get_the_author_posts_link() . '</span>';

	if ( in_array( 'date', $postinfo ) ) {
		if ( in_array( 'author', $postinfo ) ) $postinfo_meta .= ' | ';
		$postinfo_meta .= '<span class="published">' . esc_html( get_the_time( wp_unslash( $date_format ) ) ) . '</span>';
	}

	if ( in_array( 'categories', $postinfo ) ) {
		$categories_list = get_the_category_list(', ');

		// do not output anything if no categories retrieved
		if ( '' !== $categories_list ) {
			if ( in_array( 'author', $postinfo ) || in_array( 'date', $postinfo ) )	$postinfo_meta .= ' | ';

			$postinfo_meta .= $categories_list;
		}
	}

	if ( in_array( 'comments', $postinfo ) ){
		if ( in_array( 'author', $postinfo ) || in_array( 'date', $postinfo ) || in_array( 'categories', $postinfo ) ) $postinfo_meta .= ' | ';
		$postinfo_meta .= et_pb_get_comments_popup_link( $comment_zero, $comment_one, $comment_more );
	}
	
	// adding tags:
	$tag_list = get_the_tag_list( '', ', ' );
	if ( $tag_list && ! is_wp_error( $tag_list ) ) {
		if ( in_array( 'author', $postinfo ) || in_array( 'date', $postinfo ) || in_array( 'categories', $postinfo ) || in_array( 'comments', $postinfo ) ) $postinfo_meta .= ' | ';
		$postinfo_meta .= '<span class="post-tags">' . $tag_list . '</span>';
	}
	
	return $postinfo_meta;
}

No. I cannot make it work in the Blog Module.

Hi, I made it work so maybe you want to use the code.
Check here: https://gist.github.com/Geoplous/2bc48b319f57ebfc58e1752d2ccdb9be