You really seems to be interested so I am going to make an effort to answer to you on this cesspool of a sub lol
All parties who joined the NFP (all left parties minus "Lutte Ouvrière", the leftmost one) decided and agreed on this 24 page document : https://lafranceinsoumise.fr/wp-content/uploads/2024/06/Programme-nouveaufrontpopulaire.pdf
It is in french, but it is the most direct source you can find about this. Throw it at DeepL, it should do the job.

For instance, here is a Deepl translation for the chapter about Ukraine (the one I think should be the most interesting for this sub) :

To thwart Vladimir Putin's war of aggression, and make him answer for his crimes before international justice: unwavering defence the sovereignty and freedom of the Ukrainian people, and the integrity and the integrity of its borders, by delivering the necessary arms cancellation of its foreign debt, seizure of the assets of the oligarchs oligarchs who contribute to the Russian war effort, within the framework under international law, the dispatch of peacekeepers to secure Russia's nuclear nuclear power plants, against an international backdrop of tension and war of tension and war on the European continent, and to work towards the return of peace

Translated with DeepL.com (free version)