close projects

[ChipTz]

I think this was already suggested but I was not able to find it.

it should be possible to completely close a project when it reaches it's end and disallowing everyone to continue posting issues or whatever you can post.

[Onimua]

It could probably be done with the usergroup permissions, but it'd be nice if there was a global switch.

[Quarterbore]

I need this too... Call it close or call it lock but we need something!