After couple of hours I didn't encountered any bugs (Ryzen5, Vega64, 16GB RAM, NVMe SSD). The game itself is awesome in every possible way :) I think that low rating that this game receives is mostly because some people don't understand what Early Access means - it's not a beta, it's not a demo, it's a preorder of the full game with the possibility to play while the game is still under construction ;)
Sometimes I think, that there is a curse of some kind on the cRPG games - the best of them have a lot of technical issues: Fallout 1&2, Bloodlines, Alpha Protocol, Torment, Witcher 1&2... The more respect to the Witcher developement team that they repaired their game by themselves, and not left this to community ;)