After downloading the update to WoW Classic Era 1.15.4.56760 on my 2023 M3 MacBook Air running Sonoma 14.5, any two-finger right-click I do on the mousepad in a vendor window is registering as a mousewheel scroll. So, for example, if I try to buy some jagged arrows for my hunter by right clicking on them, I end up buying throwing axes instead because the page changes underneath my mouse pointer before the right-click registers.
The only workaround I’ve found has been to temporarily set the right click to bottom right corner instead of two-finger while using the vendor and switch back after.
However, no matter what, scrolling any dialog using two-finger drag is now ridiculously sensitive and will jump a page or two with even a slight movement. Scrolling the chat window, for example, if I scroll up it is impossible to scroll back down to the bottom since it keeps “bouncing” up off of the bottom. I have to use the scroll button on the chat scrollbar to actually get to the bottom.
I saw some similar complaints from the EU with the retail prepatch about a month ago, but now it seems it’s come to WoW Classic as well.