wp-admin/includes/class-wp-upgrader-skin.php:293Hides the process_failed error message when updating by uploading a zip file.
$wp_errorWP_Errorbool public function hide_process_failed( $wp_error ) { return false; }Introduced in 5.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-upgrader-skin.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.