the witcher 2 no dvd patch

GOG doesn't automatically patch, so either they will put the patch on the software page, you will have to get from CD projekt or that their will be a software included with the game that permit to patch.
E.g., 30/3 instead of 3/3.
It can be used optionally by players when installed.
Fixes an issue where Geralt would sometimes die after traveling to Velen in the quest "Something Ends, Something Begins.".This domain has recently been listed in the marketplace.Fixes an issue where players were unable to free the merchant during the Person in Distress event in the Claywich area.Fixes an issue where players were unable to talk to Roche during the "An Eye for an Eye" quest.Patches are confusing, because they sometimes break or ruin things that were working perfectly well before.HUD: (Optional) can select items from the radial menu without clicking; (Optional) combat crosshair.Fixes an issue where part of the Kaer Morhen map would not display properly.We've added a tutorial pop-up window explaining this to make it clearer.".

Fixes a rare issue where the basement was locked during the "King's Gambit" quest.The Witcher 3's.08 patch is here, and because I'm kind (and because there's no way I could top Phil's sterling work in this area I'm not even going to illustrate it with that one screenshot of Geralt in the bath.The trolls at the Circle of Elements will no longer attack Geralt if he opts for a peaceful resolution.Some mystical bonce dimension, no doubt.Heads chopped off during finishers will no longer disappear.After one hour, the potion's effects will cease and the requirements for all gear will revert to their original, pre-potion values.
(Sorry joke for people that are older on the site then you, but trust me fear the torment they will cause).
General: Preparatory features paving the way for the introduction of New Game in the future.