If somebody will be in rare situation when use Betheme and Qtranslate-X with page links like "/?page_id=10525" (like me) and need to fix way of HOMEPAGE link in breadcrumbs (without taking you to homepage and automatically switching back to default language), just replace this code in section Breadcrumbs in functions/theme-functions.php :
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There is only this code, that can be related to breadcrumbs.
// breadcrumbs
if( is_array( $subheader_options ) && isset( $subheader_options[ 'hide-breadcrumbs' ] ) ){
$breadcrumbs_show = false;
} else {
$breadcrumbs_show = true;
}
if( is_array( $subheader_advanced ) && isset( $subheader_advanced[ 'breadcrumbs-link' ] ) ){
$breadcrumbs_link = 'has-link';
} else {
$breadcrumbs_link = 'no-link';
}
// Breadcrumbs
if( $breadcrumbs_show ){
mfn_breadcrumbs( $breadcrumbs_link );
}