Basically lack of polish. Nim's compiler just keeps evolving around unfinished and unpolished ideas never reaching a momentum. It's a research project of its B

Basically lack of polish. Nim's compiler just keeps evolving around unfinished and unpolished ideas never reaching a momentum. It's a research project of its BDFL and he is alienating the most senior developers and contributors to Nim's ecosystems (ie Zedeus).