Italy has already elected a far right government that endorses fascist rallies
https://www.lemonde.fr/en/international/article/2024/01/10/italy-s-government-under-fire-from-opposition-after-fascist-rally-in-rome_6420540_4.html
AfD is making record gains in Germany
https://www.reuters.com/world/europe/germanys-far-right-makes-strong-gains-eu-vote-despite-scandals-2024-06-09/
National Rally are poised to win elections in France
https://www.bbc.com/news/live/world-europe-69102843
One important detail is that in most countries the far right is the only option if you are against escalating with Russia. Most people in Western Europe are in favor of a peace treaty, and peace was the biggest issue for German voters.
I think part of this shift can be explained by the fact that people are not jumping at the prospect of being send into the meat grinder after the Ukrainians are depleted.
I think so as well, this show that the left in Europe is effectively dead except for a few outliers like Slovakia.