How Do We Establish Speculative Fiction’s LGBTQ+ Canon?

Like many SF/F fans across the intersections of LGBTQ+ identities, I’m constantly on the lookout for good fiction that reflects something of my own experience. In seeking lists that recommend or simply catalogue such works, I’ve found many that, while well-intended, tend to mash an enormous body of work together without considering how authors actually deal with the content. This means that quite often, bigoted portrayals are set right next to works that feature positive representation, or else work that is as gay as possible will be set next to work with only the briefest passing mention of “non-normative” sexuality.

This raises some potentially thorny questions: How should we approach the idea of canon, in this particular set of circumstances? What should we look for when we compile lists of LGBTQ+ speculative fiction? What are we compiling for? Do we consider any mention at all? Focus mainly on positive representation? ...