I agree that it's nicer and more powerful, but it's a little concerning it hasn't had any commits in the past 6 months: https://github.com/terrastruct/d2/commits/master/

16bitvoid 8 hours ago | parent | next [-]

I think the founder/lead developer, Alexander Wang, works at OpenAI now.

Plus, according to this comment on an issue, folks in their discord say it's not being actively maintained.

	▲	vladsanchez 7 hours ago \| parent [-]
		Never imagined Scale.ai CEO was D2Lang creator nor that he joined his room-mate at OpenAI (giggle). Thanks for sharing

nine_k 8 hours ago | parent | prev [-]

Maybe it doesn't need constant fixing? Are there many issues in the tracker?