[7] According to its founder Hamon, the movement is "a totally open initiative" that seeks to "go beyond the party framework" and "converge" with other political figures that share its values.

[8] Prominent supporters included politicians Cécile Duflot and Yannick Jadot from Europe Ecology – The Greens (EELV), essayist Raphaël Glucksmann, journalist Edwy Plenel and economist Thomas Porcher.

On the September 23rd, the movement took part in a protest march against the policies of Emmanuel Macron, which demonstrators described as a "social coup d'état".

[10] Hamon appeared publicly at the head of the procession alongside Jean-Luc Mélenchon of La France Insoumise, which organized the protest.

[13] During the congress, Hamon announced that he was preparing European-wide lists for the European Parliament election of 2019 with Yanis Varoufakis, the former Greek minister of finance and leader of DieM25.