Core:
    Fixed bug #79146 (cscript can fail to run on some systems).
    Fixed bug #79155 (Property nullability lost when using multiple property definition).
    Fixed bug #78323 (Code 0 is returned on invalid options).
    Fixed bug #78989 (Delayed variance check involving trait segfaults).
    Fixed bug #79174 (cookie values with spaces fail to round-trip).
    Fixed bug #76047 (Use-after-free when accessing already destructed backtrace arguments).
COM:
    Fixed bug #79247 (Garbage collecting variant objects segfaults).
CURL:
    Fixed bug #79078 (Hypothetical use-after-free in curl_multi_add_handle()).
FFI:
    Fixed bug #79096 (FFI Struct Segfault).
IMAP:
    Fixed bug #79112 (IMAP extension can't find OpenSSL libraries at configure time).
Intl:
    Fixed bug #79212 (NumberFormatter::format() may detect wrong type).
Libxml:
    Fixed bug #79191 (Error in SoapClient ctor disables DOMDocument::save()).
MBString:
    Fixed bug #79149 (SEGV in mb_convert_encoding with non-string encodings).
MySQLi:
    Fixed bug #78666 (Properties may emit a warning on var_dump()).
MySQLnd:
    Fixed bug #79084 (mysqlnd may fetch wrong column indexes with MYSQLI_BOTH).
    Fixed bug #79011 (MySQL caching_sha2_password Access denied for password with more than 20 chars).
Opcache:
    Fixed bug #79114 (Eval class during preload causes class to be only half available).
    Fixed bug #79128 (Preloading segfaults if preload_user is used).
    Fixed bug #79193 (Incorrect type inference for self::$field =& $field).
OpenSSL:
    Fixed bug #79145 (openssl memory leak).
Phar:
    Fixed bug #79082 (Files added to tar with Phar::buildFromIterator have all-access permissions). (CVE-2020-7063)
    Fixed bug #79171 (heap-buffer-overflow in phar_extract_file). (CVE-2020-7061)
    Fixed bug #76584 (PharFileInfo::decompress not working).
Reflection:
    Fixed bug #79115 (ReflectionClass::isCloneable call reflected class __destruct).
Session:
    Fixed bug #79221 (Null Pointer Dereference in PHP Session Upload Progress). (CVE-2020-7062)
Standard:
    Fixed bug #78902 (Memory leak when using stream_filter_append).
    Fixed bug #78969 (PASSWORD_DEFAULT should match PASSWORD_BCRYPT instead of being null).
Testing:
    Fixed bug #78090 (bug45161.phpt takes forever to finish).
XSL:
    Fixed bug #70078 (XSL callbacks with nodes as parameter leak memory).
Zip:
    Add ZipArchive::CM_LZMA2 and ZipArchive::CM_XZ constants (since libzip 1.6.0).
    Add ZipArchive::RDONLY (since libzip 1.0.0).
    Add ZipArchive::ER_* missing constants.
    Add ZipArchive::LIBZIP_VERSION constant.
    Fixed bug #73119 (Wrong return for ZipArchive::addEmptyDir Method).