I have found a solution by using the ESP-IDF framework.
There the MBEDTLS is not precompiled, so I changed the configuration I wanted to change.
Then I compiled it and used the lib.a file and replaced the one in the arduino framework.

Hello all, I have a problem changing the config of mbed-tls in Espressif 32 version 1.7.0 the framework contains a pre-build library from MBEDtls version 2.13.1 I tried to enable a configuration of MBEDtls namely the #define MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION I did this inside the con...