At the moment, we can only link top-level actions to other projects. I'd like the ability to link subactions to other projects.
Use case:
We have a "content development" project where each action card represents the development of a content piece (blog, white paper, etc.) that we are working on. As part of those content pieces, we have social media posts to promote it. The social media posts are a subaction in the action card for the content piece.
We also have a "social media calendar" project that we want to use to visualize all the social media posts we have planned across all our projects. Instead of creating new action cards in the "social media calendar" project for every post, we want to be able to link the subaction from the "content development" project action cards to the "social media calendar."