How can issues status are changed automatically after release?
This can be achieved through some sort of automation tool. The ecosystem, Jira Automation (by CodeBarrel) could very well serve your purposes here
Yeah, thnx, I know it. But can I do it without side plugins?
Not yet
https://www.atlassian.com/blog/announcements/welcome-code-barrel-automation-for-jira
It looks like you're new here. Sign in or register to get started.