# Release Note ## optee v2 | Date | file | Build commit | Severity | | ---------- | :------------------------------------- | ------------ | --------- | | 2023-05-18 | libckteec.so libteec.so tee-supplicant | 25920641 | important | ### New 1. 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. ------ ## optee v2 | Date | file | Build commit | Severity | | ---------- | :------------- | ------------ | --------- | | 2023-05-18 | uclibc_lib/arm | 25920641 | important | ### New 1. Add OPTEE library which are compiled by the uclibc toolchain. --- ## optee v2 | Date | file | Build commit | Severity | | ---------- | :------------------- | ------------ | -------- | | 2023-04-07 | librk_tee_service.so | 0435e966 | moderate | ### New 1. Support read secure boot enable flag. 2. Support read secure boot public key hash. ---