- reject non-file keyfiles in TLS_CACERTDIR (#652315)
- TLS_CACERTDIR precedence over TLS_CACERT (#652304)
- accept only files in hash.0 format in TLS_CACERTDIR (#650288)
- improve SSL/TLS trace messages (#652818)
- add support for multiple prefixed Mozilla NSS database files in TLS_CACERTDIR
Resolves: #652315#652304#650288#652818
