The standard Link operation allow users to link Issue with another.
The Create And Link Issue Operation provides a shortcut to a new Link Action following new rules.
It is allowed by the usage of the Link Scheme.
When a Project is associated to Link Scheme, a new set of Issue Operation are enabled depending on its definition.
If the Link Scheme defines that the Issue Type Bug may be linked to Improvement with the Link Type Causes, then an operation will be enabled for all Bugs ...
This operation will redirect the user to a dedicated page ...
where, will be provided :