I couldn’t disagree more, when it comes to UIs. They should match the platform they are being used on. Cross-platform always produces a very sub-par experience. But us developers tend to care primarily about what makes development easiest for us.
What does this mean in practice for software you write? What OSes to you build it for, and what OS or GUI-specific conventions to you follow which don't apply to others?
edit: Link software you wrote's installation instructions.
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