Mine have been affected by the patch :( I had them for 3 months, riding the metro everyday, they were blocking almost every background sound. I did the update while riding the train and when it was completed, it was still working but not as strong as before and by a large margin. What a difference it make, it’s crazy, I’m sending mine to bose to get a replacement pair. If they can’t fix them, I will probably buy another brand. I’m watching a lot of tv show on them and now I have to boost the volume very high to hear what they are saying, there’s just too much outside noise not beign filtered now.