The recent launch of AMD’s desktop Ryzen 9000 family of processors was a bit of a mess, and AMD officially admits it — along with providing new, optimized code that improves overall performance. The new code, which is optimized for improved branch prediction performance, should deliver gains of between 0 to 13 percent depending on the application, AMD says. It will also benefit older Ryzen chips (albeit by a smaller amount). Furthermore, the new code won’t be distributed via PC makers or BIOS updates, but as a Windows 11 beta preview. What’s in AMD’s Ryzen 9000 patch?As soon as the new code is…