Resources to deepen LLMs understanding for software engineers

I am a FE developer and am overall interested in LLMs (although who isn't atm?). I have a broad understanding of how LLMs work and a decent knowledge of software, but I clearly don't have the same knowledge an ML engineer would have to understand such a topic.

Therefore I find myself wanting to learn more, but I either find basic resources that already cover what I know, or too advanced stuff that is meant for another audience.

I was wondering if there is somebody producing content for my segment instead. Ideally somebody is very technical on the topic, but that explains it for a broader audience. To be clear, I don't want to become an ML engineer, but I'm interested in learning about updates and breakthroughs (and why they are such), as well as deeply understanding the challenges, limits, applications, and potential of LLMs.