Fixed bug #70828 (phpfpm 5.6 with opcache crashes when referencing a nonexistent constant).
Fixed bug #70748 (Segfault in ini_lex () at Zend/zend_ini_scanner.l).
Mysqlnd:
Fixed bug #68344 (MySQLi does not provide way to disable peer certificate validation) by introducing MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT connection flag.
OCI8:
Fixed bug #68298 (OCI int overflow).>
29 Oct 2015
Core:
Fixed bug #70681 (Segfault when binding $this of internal instance method to null).
Fixed bug #70685 (Segfault for getClosure() internal method rebind with invalid $this).
Date:
Fixed bug #70619 (DateTimeImmutable segfault).
Mcrypt:
Fixed bug #70625 (mcrypt_encrypt() won't return data when no IV was specified under RC4).
Mysqlnd:
Fixed bug #70384 (mysqli_real_query():Unknown type 245 sent by the server).
Fixed bug #70572 segfault in mysqlnd_connect.