I would like to search all issues/tickets, which my name is in the history (beside filter the status, dueDate, etc.) - only using JQL. Somthing like this
issuetype = RfC and status = open and historyInExist(myUsername)
Take a look at the Jira Toolkit plugin. It has a Participant field you can add that would give you the ability to query like you are asking.
https://marketplace.atlassian.com/apps/5142/toolkit-plugin-for-jira?hosting=server&tab=support
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