Fixed Issue #2766797 by Sonal.Sangale: Remove @file tag docblock from all the .php files Fixed Issue #2820742 by nehakhadke: $this->t() should be used instead of t() for Drupal 8 version Fixed Issue #2822507 by mauritsl: Tokens are not replaced Fixed Issue #2748283 by pareshpatel, neffets: Width and Height fields are required all the time