9 files declare their use of WebformTwigExtension in Webform 8.5

EmailWebformHandler.php in src/Plugin/WebformHandler/EmailWebformHandler.php

WebformAttachmentTwig.php in modules/webform_attachment/src/Element/WebformAttachmentTwig.php

WebformAttachmentTwig.php in modules/webform_attachment/src/Plugin/WebformElement/WebformAttachmentTwig.php

WebformCodeMirror.php in src/Element/WebformCodeMirror.php

WebformComputedTwig.php in src/Element/WebformComputedTwig.php

WebformComputedTwig.php in src/Plugin/WebformElement/WebformComputedTwig.php

WebformElementBase.php in src/Plugin/WebformElementBase.php

WebformEntityPrintAttachment.php in modules/webform_entity_print_attachment/src/Plugin/WebformElement/WebformEntityPrintAttachment.php

WebformSubmissionViewBuilder.php in src/WebformSubmissionViewBuilder.php