Action that starts once breadcrumbs is shown on the page
Action name: etheme_page_heading
Action usage:
add_action('etheme_page_heading', function() { ?>
<div style="background-color: #000;color: #fff;line-height: 1;padding: 12px;">
<div>
<marquee>This is custom text above page heading on each page has breadcrumbs</marquee>
</div>
</div>
<?php }, 5);

Change the number after the function to make it shown before/after breadcrumbs (higher is more under)

Action that starts before breadcrumbs main content
Action name: etheme_before_breadcrumbs
Action usage:
add_action('etheme_before_breadcrumbs', function() { ?>
<div style="text-align: center;">
<div>This is custom text above page heading on each page has breadcrumbs</div>
</div>
<?php }, 5);

Action that starts after breadcrumbs main content
Action name: etheme_after_breadcrumbs
Action usage:
add_action('etheme_after_breadcrumbs', function() { ?>
<div style="text-align: center;">
<div>This is custom text below page heading on each page has breadcrumbs</div>
</div>
<?php }, 5);

Filter to change title to title with endpoint on my account page
Filter name: etheme_breadcrumbs_page_title
Filter usage:
add_filter ('etheme_breadcrumbs_page_title', 'et_breadcrumbs_title', 10, 1);
function et_breadcrumbs_title($subtitle){
if (!class_exists('WooCommerce'))
return $subtitle;<br>
if (is_account_page() && is_user_logged_in()){
if (is_wc_endpoint_url()){
global $wp;
global $wp_query;
$endpoint = WC()->query->get_current_endpoint();
$action = isset( $_GET['action'] ) ? sanitize_text_field( wp_unslash( $_GET['action'] ) ) : '';
$endpoint_title = WC()->query->get_endpoint_title( $endpoint, $action );
if ($endpoint_title){
$subtitle .= ' - '.$endpoint_title;
}
}
}
return $subtitle;
}
before ->

( without endpoint after title )
after ->

( with page endpoint after title )
Filter to remove shop step from breadcrumbs on product taxonomies pages (some users want to hide it or in some cases, it is shown twice)
Filter name: etheme_breadcrumbs_shop_step
Filter usage:
add_filter( 'etheme_breadcrumbs_shop_step', '__return_false');