I enconter 2 bugs on my second play trougth that i didnt encounter the first time i play, so i think they are related to patch 1.05.

The first one (atached image) the interaction whit the herbalist of this place get disabled insted of the torch beside him.

the secon one, the key of the side quest persons of interest (the merchant that is locked in a cage by bandits) dissapears, i kill al bandits and the key was not to be found anyware, luckly i have a close save point, reloading fixed the issue.

All this bugs on Velen.

Try meditating in front of the herbalist. I don't know about this one specifically, but I've met others who only sell at specific times, and seemingly only after reloading them through loading or possibly through meditating. This happens even if they are in their normal selling spot.

Had a similar problem with blacksmith in Blackbough usually simply saving/loading helps.