As of my last update in September 2021, researchers were indeed exploring and developing new probability distributions with HT characteristics.
[…]
We recommend checking recent research papers and articles in relevant scientific journals and conferences for the most up-to-date information on specific developments in probability distributions with HT characteristics.1
Note
In an endmatter section entitled “Use of AI tools declaration”:
The authors declare they have not used Artificial Intelligence (AI) tools in the creation of this article.
References
1Kamal M, Alsolmi MM, Nayabuddin, et al. A new distributional approach: estimation, Monte Carlo simulation and applications to the biomedical data sets. NHM. 2023;18(4):1575-1599. doi:10.3934/nhm.2023069