Just a note in case someone starts to implement it.

It would mean that Relationship with the parent issue must not be offered to users without update_bug_threshold access rights.

Thanks @atrol for the clarification! Is there any chance to get this feature implemented? Now we use 2.12.0 and as I can see in the recent release notes it isn't implemented until 2.16.1.

@mchendl, patches are welcome. It all depends on priority and a developer or community member deciding to spend their time on a specific issue.

All contributions are welcome and greatly appreciated.

Patch submissions can be made in several ways. In the order of preference:

1. Send us a Pull Request on our Github repository [1]
2. Attach a GIT patch to the issue
3. Attach a Unified Diff, clearly specifying the patch's base release

Kindly avoid to upload entire modified PHP files.

Please make sure that your submissions adhere to our Coding Guidelines [2], if they don't your patch might be rejected.

[1] https://github.com/mantisbt/mantisbt
[2] http://www.mantisbt.org/wiki/doku.php/mantisbt:coding_guidelines