Hello Comminuty :)
I have a question about sprint manage permission. I have grant permission to single user:
But other users in project can edit sprint:
I'm not sure why. All other people in project are a members of group, which has not permission "manage sprint"
Can You give me some advice?
What type of project is this - Software or Service?
Can you provide another image of the permissions with you mouse hovering over the Manage Sprint permission so that we can see the highlight color. That will help clearly delineate which users/groups/roles have been granted that permission.
From your image it looks to me like only Administrators and add-ons have the Manage Sprint permission.
Am I correctly understanding that the issue is that you can edit the sprint, and you think you should not be able to do that?
Notice in your image that the Manage Sprint permissions are assigned to the Project Administrator role. If you have the ability to Administer that project (as a Site Admin or Jira Administrator) then you will have the Manage Sprints permission and be able to edit the sprints.