As part of the d.o redesign of the project node UI, we're going to be moving more stuff out of the main content area and into blocks. See #372580: Move the project node links to blocks for more. However, while I was at DCDC, I sat down with Mark Boulton to talk through some of the specifics, and reiterated my support for adding something a lot like this from alpritt over at Project node UI redesign:
He said something like that would be great, and wants to see that in the right sidebar on project nodes. Obviously, there's not going to be enough space to lay it out exactly like that -- we're going to probably need to do everything vertically instead of "two column". But, this would be a nice opportunity to clean up some of the weirdness with where the issue links are currently sprinkled in the default project links. Since there's all this additional information and the text field for the search box, we can't do this just using the API discussed at #372580. I think it's cool if project_issue just provides this block and the other links aren't part of the default project links -- sites that really want the current behavior can always disable the block and implement the hook to put the links how they want them.