AMD P-State Preferred Core handling for modern Ryzen systems. This is for leveraging ACPI CPPC data between CPU cores for improving task placement on AMD Ryzen systems for cores that can achieve higher frequencies and also helping in hybrid selection between say Zen 4 and Zen 4C cores. This AMD Preferred Core support has been in development since last year.
Performance gains on AMD 4th Gen EPYC
AMD FRU Memory Poison Manager merged along with other work as part of better supporting the AMD MI300 series.
AMD has continued upstreaming more RDNA3+ refresh and RDNA4 graphics hardware support into the AMDGPU driver.
Linux 6.9 released (lore.kernel.org)