UPDATE "#__mail_templates"
   SET "params" = '{"tags":["message","date","extension","username"]}'
 WHERE "template_id" = 'com_actionlogs.notification' AND "params" = '{"tags":["message","date","extension"]}';

UPDATE "#__mail_templates"
   SET "params" = '{"tags":["sitename","name","email","subject","body","url","customfields","contactname"]}'
 WHERE "template_id" = 'com_contact.mail.copy' AND "params" = '{"tags":["sitename","name","email","subject","body","url","customfields"]}';