The Aeldari are getting a big update soon in 40k. But it's not just old stuff getting updated. It's new stuff being added as well. That includes the Shroud Runners. Get a look at these new figures in this preview.
From the article:
You’ve seen the amazing new Aeldari vehicles from the Eldritch Omens boxed set, but what is a Shroud Runner and what can they do on the battlefield? Fortunately, there’s a 32-page booklet in the box which explains everything that’s going on, including a narrative campaign, who’s involved, and rules for these elusive new vehicles.