Core:
Fixed bug #78434 (Generator yields no items after valid() call).
Fixed bug #79477 (casting object into array creates references).
Fixed bug #79514 (Memory leaks while including unexistent file).
Fixed bug #79470 (PHP incompatible with 3rd party file system on demand).
Fixed bug #78784 (Unable to interact with files inside a VFS for Git repository).
Fixed bug #78875 (Long variables cause OOM and temp files are not cleaned). (CVE-2019-11048).
Fixed bug #78876 (Long variables in multipart/form-data cause OOM and temp files are not cleaned). (CVE-2019-11048).
DOM:
Fixed bug #78221 (DOMNode::normalize() doesn't remove empty text nodes).
EXIF:
Fixed bug #79336 (ext/exif/tests/bug79046.phpt fails on Big endian arch).
FCGI:
Fixed bug #79491 (Search for .user.ini extends up to root dir).
MBString:
Fixed bug #79441 (Segfault in mb_chr() if internal encoding is unsupported).
OpenSSL:
Fixed bug #79497 (stream_socket_client() throws an unknown error sometimes with <1s timeout).
PCRE:
Upgraded to PCRE2 10.34.
Phar:
Fixed bug #79503 (Memory leak on duplicate metadata).
SimpleXML:
Fixed bug #79528 (Different object of the same xml between 7.4.5 and 7.4.4).
SPL:
Fixed bug #69264 (__debugInfo() ignored while extending SPL classes).
Fixed bug #67369 (ArrayObject serialization drops the iterator class).
Standard:
Fixed bug #79468 (SIGSEGV when closing stream handle with a stream filter appended).
Fixed bug #79447 (Serializing uninitialized typed properties with __sleep should not throw).
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