There is missing bracket in /components/ble/peer_manager/nrf_ble_lesc.c:103
#elif defined((NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 0)
As a result for example ble_app_hrs example can not build.
There is missing bracket in /components/ble/peer_manager/nrf_ble_lesc.c:103
#elif defined((NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 0)
As a result for example ble_app_hrs example can not build.
The extra parenthesis is removed in sdk 15.3 on Line 107 of nrf_ble_lesc.c: