1# RK3399 Release Note 2 3## rk3399_bl31_v1.36.elf 4 5| Date | file | Build commit | Severity | 6| ---------- | :-------------------- | ------------ | --------- | 7| 2022-02-16 | rk3399_bl31_v1.36.elf | 8f40012ab | important | 8 9### New 10 111. Improve the stability of fiq-debugger. 12 13------ 14 15## rk3399_ddr_{666...933}MHz_v1.28.bin 16 17| Date | file | Build commit | Severity | 18| ---------- | :---------------------------------- | ------------ | -------- | 19| 2022-10-27 | rk3399_ddr_{666...933}MHz_v1.28.bin | c5af411 | moderate | 20 21### New 22 231. Add support RK3399-T, RK3399-2T for DDR. 24 25------ 26 27