* enable-crypto-mdebug and enable-crypto-mdebug-backtrace were mostly
disabled; the project uses address sanitize/leak-detect instead.
* Added OSSL_SERIALIZER, a generic serializer API.
+ * Added OSSL_PARAM_BLD, an easier to use API to OSSL_PARAM.
* Added error raising macros, ERR_raise() and ERR_raise_data().
* Deprecated ERR_put_error().
* Added OSSL_PROVIDER_available(), to check provider availibility.