1# RK3399 Release Note 2 3## rk3399_ddr_{666...933}MHz_v1.29.bin 4 5| Date | file | Build commit | Severity | 6| ---------- | ----------------------------------- | ------------ | --------- | 7| 2023-03-30 | rk3399_ddr_{666...933}MHz_v1.29.bin | 5b2c650 | important | 8 9### Fixed 10 11| Index | Severity | Update | Issue description | Issue source | 12| ----- | --------- | ----------------------------------------------------- | ------------------------------------------------------------ | ------------ | 13| 1 | moderate | Fixed single channel loop at "advanced training done" | When in single channel mode, it will loop at "advanced training done". | - | 14| 2 | important | Fixed LP3 dbw detect bug | The dbw detect error when LP3 | - | 15 16------ 17 18## rk3399_bl31_v1.36.elf 19 20| Date | file | Build commit | Severity | 21| ---------- | :-------------------- | ------------ | --------- | 22| 2022-02-16 | rk3399_bl31_v1.36.elf | 8f40012ab | important | 23 24### New 25 261. Improve the stability of fiq-debugger. 27 28------ 29 30## rk3399_ddr_{666...933}MHz_v1.28.bin 31 32| Date | file | Build commit | Severity | 33| ---------- | :---------------------------------- | ------------ | -------- | 34| 2022-10-27 | rk3399_ddr_{666...933}MHz_v1.28.bin | c5af411 | moderate | 35 36### New 37 381. Add support RK3399-T, RK3399-2T for DDR. 39 40------ 41 42