Over the last decades, our insights in the phonological history of Berber and the reconstruction of its earlier stages greatly evolved. This is thanks to an emergent discussion and to new data on a number of languages that are crucial to reconstructing Proto-Berber, most importantly the works by Catherine Taine-Cheikh on Zenaga. In this article, I will provide an overview of the results and challenges in the reconstruction of Proto-Berber phonology.