I am facing a similar dilemma. Lately, I have been writing about data structures and the "original" aspect has really taken over my writing. Breaking down the content into a readable format and complementing it with intuitive figures can become a challenge. I have two almost-ready drafts sitting on my computer, but I cannot gather the courage to post them as I feel like they might be missing more analysis. I am not sure if this is necessarily good or bad. I have been trying to treat my blog as something I enjoy, with content that will still be relevant in a decade or so. Perhaps, I need to take Julia's advice and write more boring posts, like some of my favorite things in my bashrc.
Maybe you ought to adjust the approach. Rather than have a complete and finished reference now, post what you have so far to show what you have been trying. Someone may reach out with additional insight. Though whether or not you get any feedback at this stage, it can lead up to a post that covers everything that you want once it's ready
You can always edit old posts or just create follow-ups and link them together. Or just keep it as an open topic that you periodically post smaller updates on
