Solid is a concept titlepack in the making. As it is a concept, it has potential to cause a few minor hiccups for some players. Players mainly driving 'Cam 1' might find some a little bit more, due to the current presence of asphalt and dirt smoke.
Streamers, it would be awesome if you open up the flashes on your stream before you play! Watching the 'Credits' for example encourages and supports the ones involved, even if indirectly! No need to read through them, just showing it on screen is already appreciated.