Changes to squid-4.3 (28 Oct 2018):
- Bug 4893: Malformed %>ru URIs for CONNECT requests
- Fix %USER_CA_CERT_xx and %USER_CERT_xx crashes
- SSL: support compilation with minimal OpenSSL
- SSL: certificate fields injection via %D in ERR_SECURE_CONNECT_FAIL
- Fix netdb not saving to disk
- Fix memory leak when parsing SNMP packet
- ... and some compile issues