Core:
    Fixed bug #80280 (ADD_EXTENSION_DEP() fails for ext/standard and ext/date).
    Fixed bug #80258 (Windows Deduplication Enabled, randon permission errors).
COM:
    Fixed bug #62474 (com_event_sink crashes on certain arguments).
DOM:
    Fixed bug #80268 (loadHTML() truncates at NUL bytes).
FFI:
    Fixed bug #79177 (FFI doesn't handle well PHP exceptions within callback).
IMAP:
    Fixed bug #64076 (imap_sort() does not return FALSE on failure).
    Fixed bug #76618 (segfault on imap_reopen).
    Fixed bug #80239 (imap_rfc822_write_address() leaks memory).
    Fixed minor regression caused by fixing bug #80220.
    Fixed bug #80242 (imap_mail_compose() segfaults for multipart with rfc822).
MySQLi:
    Fixed bug #79375 (mysqli_store_result does not report error from lock wait timeout).
    Fixed bug #76525 (mysqli::commit does not throw if MYSQLI_REPORT_ERROR enabled and mysqlnd used).
    Fixed bug #72413 (mysqlnd segfault (fetch_row second parameter typemismatch)).
ODBC:
    Fixed bug #44618 (Fetching may rely on uninitialized data).
Opcache:
    Fixed bug #79643 (PHP with Opcache crashes when a file with specific name is included).
    Fixed run-time binding of preloaded dynamically declared function.
OpenSSL:
    Fixed bug #79983 (openssl_encrypt / openssl_decrypt fail with OCB mode).
PDO MySQL:
    Fixed bug #66528 (No PDOException or errorCode if database becomes unavailable before PDO::commit).
    Fixed bug #65825 (PDOStatement::fetch() does not throw exception on broken server connection).
SNMP:
    Fixed bug #70461 (disable md5 code when it is not supported in net-snmp).
Standard:
    Fixed bug #80266 (parse_url silently drops port number 0).