[–] Relicaire80 0 points 1 point 1 point (+1|-0) ago
It is a labour reform. Here's a bbc article good résumé.
http://www.bbc.com/news/world-europe-36259120
Another from RT https://www.rt.com/news/342550-nuit-debout-labor-reform/
And Wiki article about the "49.3" the government used.
https://en.m.wikipedia.org/wiki/Article_49_of_the_French_Constitution
Keep in mind though that strikes are pretty much a common thing here.