cURL:
    Implemented FR #72189 (Add missing CURL_VERSION_* constants).
EXIF:
    Fixed bug #77988 (heap-buffer-overflow on php_jpg_get16) (CVE-2019-11040).
FPM:
    Fixed bug #77934 (php-fpm kill -USR2 not working).
    Fixed bug #77921 (static.php.net doesn't work anymore).
GD:
    Fixed bug #77943 (imageantialias($image, false); does not work).
    Fixed bug #77973 (Uninitialized read in gdImageCreateFromXbm) (CVE-2019-11038).
Iconv:
    Fixed bug #78069 (Out-of-bounds read in iconv.c:_php_iconv_mime_decode() due to integer overflow) (CVE-2019-11039).
JSON:
    Fixed bug #77843 (Use after free with json serializer).
Opcache:
    Fixed possible crashes, because of inconsistent PCRE cache and opcache SHM reset.
PDO_MySQL:
    Fixed bug #77944 (Wrong meta pdo_type for bigint on LLP64).
Reflection:
    Fixed bug #75186 (Inconsistent reflection of Closure:::__invoke()).
Session:
    Fixed bug #77911 (Wrong warning for session.sid_bits_per_character).
SOAP:
    Fixed bug #77945 (Segmentation fault when constructing SoapClient with WSDL_CACHE_BOTH).
SPL:
    Fixed bug #77024 (SplFileObject::__toString() may return array).
SQLite:
    Fixed bug #77967 (Bypassing open_basedir restrictions via file uris).
Standard:
    Fixed bug #77931 (Warning for array_map mentions wrong type).
    Fixed bug #78003 (strip_tags output change since PHP 7.3).