1# Release Note 2 3## optee v2 4 5| Date | file | Build commit | Severity | 6| ---------- | :------------------------------------- | ------------ | --------- | 7| 2023-05-18 | libckteec.so libteec.so tee-supplicant | 25920641 | important | 8 9### New 10 111. When using security partitions for secure storage, data is synchronized every time it is written，it can increase secure storage stability, but read and write speeds may slow down. 12 13------ 14 15## optee v2 16 17| Date | file | Build commit | Severity | 18| ---------- | :------------- | ------------ | --------- | 19| 2023-05-18 | uclibc_lib/arm | 25920641 | important | 20 21### New 22 231. Add OPTEE library which are compiled by the uclibc toolchain. 24 25--- 26 27## optee v2 28 29| Date | file | Build commit | Severity | 30| ---------- | :------------------- | ------------ | -------- | 31| 2023-04-07 | librk_tee_service.so | 0435e966 | moderate | 32 33### New 34 351. Support read secure boot enable flag. 362. Support read secure boot public key hash. 37 38--- 39