We purchased 2 Nuna Ravas for our 2 kids in 2021. One of them had the harness fail to remain tight in 04/24. It took a few months but Nuna eventually replaced the shell for us. Now our other seat is having the same problem where we can pull on the tightened harness without pressing the release button. There is already a recall for this issue, however I don’t think the recall – fix is good enough. They are just sending me a cleaning kit and new seat cushion to prevent debris for a seat that is already unsafe to use, and have no estimate of when I’ll receive the kit. They have acknowledged the seats are unsafe and could cause serious injury or death if in an accident. No one has inspected the carseat though I sent in a video of the issue to the manufacturer. Initial customer support has not been great so far and I am still working to get the issue resolved after multiple emails back and forth.