Both PHP 8.0.5RC1 and 7.4.18RC1 has been released for testing.

15 Apr 2021, PHP 8.0.5RC1

- Core:
. Fixed bug #75776 (Flushing streams with compression filter is broken). (cmb)
. Fixed bug #80811 (Function exec without $output but with $restult_code
parameter crashes). (Nikita)
. Fixed bug #80814 (threaded mod_php won't load on FreeBSD: No space
available for static Thread Local Storage). (Dmitry)
. Changed PowerPC CPU registers used by Zend VM to work around GCC bug.
Old registers (r28/r29) might be clobbered by _restgpr routine used for
return from C function compiled with -Os. (Dmitry)

- Dba:
. Fixed bug #80817 (dba_popen() may cause segfault during RSHUTDOWN). (cmb)

- DOM:
. Fixed bug #66783 (UAF when appending DOMDocument to element). (cmb)

- FFI:
. Fixed bug #80847 (CData structs with fields of type struct can't be passed
as C function argument). (Nickolas Daniel da Silva, Dmitry)

- FPM:
. Fixed bug #80024 (Duplication of info about inherited socket after pool
removing). (Jakub Zelenka)

- FTP:
. Fixed bug #80880 (SSL_read on shutdown, ftp/proc_open). (cmb, Jakub
Zelenka)

- IMAP:
. Fixed bug #80800 (imap_open() fails when the flags parameter includes
CL_EXPUNGE). (girgias)

- Intl:
. Fixed bug #80763 (msgfmt_format() does not accept DateTime references).
(cmb)

- LibXML:
. Fixed bug #73533 (Invalid memory access in php_libxml_xmlCheckUTF8). (cmb)
. Fixed bug #51903 (simplexml_load_file() doesn't use HTTP headers). (cmb)

- MySQLnd:
. Fixed bug #80837 (Calling stmt_store_result after fetch doesn't throw an
error). (Kamil Tekiela)

- Opcache:
. Fixed bug #80839 (PHP problem with JIT). (Dmitry)
. Fixed bug #80861 (erronous array key overflow in 2D array with JIT).
(Dmitry)
. Fixed bug #80786 (PHP crash using JIT). (Nikita)
. Fixed bug #80782 (DASM_S_RANGE_VREG on PHP_INT_MIN-1). (Dmitry)

- Pcntl:
. Fixed bug #79812 (Potential integer overflow in pcntl_exec()). (cmb)

- PCRE:
. Fixed bug #80866 (preg_split ignores limit flag when pattern with \K has
0-width fullstring match). (Kamil Tekiela)

- PDO_ODBC:
. Fixed bug #80783 (PDO ODBC truncates BLOB records at every 256th byte).
(cmb)

- PDO_pgsql:
. Fixed bug #80892 (PDO::PARAM_INT is treated the same as PDO::PARAM_STR).
(Matteo)

- Session:
. Fixed bug #80889 (Cannot set save handler when save_handler is invalid).
(cmb)
. Fixed bug #80774 (session_name() problem with backslash). (cmb)

- SOAP:
. Fixed bug #69668 (SOAP special XML characters in namespace URIs not
encoded). (cmb)

- Standard:
. Fixed bug #80915 (Taking a reference to $_SERVER hides its values from
phpinfo()). (Rowan Tommins)
. Fixed bug #80914 ('getdir' accidentally defined as an alias of 'dir').
(Rowan Tommins)
. Fixed bug #80771 (phpinfo(INFO_CREDITS) displays nothing in CLI). (cmb)
. Fixed bug #78719 (http wrapper silently ignores long Location headers).
(cmb)
. Fixed bug #80838 (HTTP wrapper waits for HTTP 1 response after HTTP 101).
(manuelm)

- Zip:
. Fixed bug #80825 (ZipArchive::isCompressionMethodSupported does not exist).
(cmb)

Download PHP 8.0.5RC1

15 Apr 2021, PHP 7.4.18RC1

- Core:
. Fixed bug #80781 (Error handler that throws ErrorException infinite loop).
(Nikita)
. Fixed bug #75776 (Flushing streams with compression filter is broken). (cmb)

- Dba:
. Fixed bug #80817 (dba_popen() may cause segfault during RSHUTDOWN). (cmb)

- DOM:
. Fixed bug #66783 (UAF when appending DOMDocument to element). (cmb)

- FPM:
. Fixed bug #80024 (Duplication of info about inherited socket after pool
removing). (Jakub Zelenka)

- FTP:
. Fixed bug #80880 (SSL_read on shutdown, ftp/proc_open). (cmb, Jakub
Zelenka)

- Intl:
. Fixed bug #80763 (msgfmt_format() does not accept DateTime references).
(cmb)

- LibXML:
. Fixed bug #51903 (simplexml_load_file() doesn't use HTTP headers). (cmb)
. Fixed bug #73533 (Invalid memory access in php_libxml_xmlCheckUTF8). (cmb)

- MySQLnd:
. Fixed bug #80713 (SegFault when disabling ATTR_EMULATE_PREPARES and
MySQL 8.0). (Nikita)
. Fixed bug #80837 (Calling stmt_store_result after fetch doesn't throw an
error). (Kamil Tekiela)

- Opcache:
. Fixed bug #80805 (create simple class and get error in opcache.so). (Nikita)
. Fixed bug #80950 (Variables become null in if statements). (Nikita)

- Pcntl:
. Fixed bug #79812 (Potential integer overflow in pcntl_exec()). (cmb)

- PCRE:
. Fixed bug #80866 (preg_split ignores limit flag when pattern with \K has
0-width fullstring match). (Kamil Tekiela)

- PDO_ODBC:
. Fixed bug #80783 (PDO ODBC truncates BLOB records at every 256th byte).
(cmb)

- PDO_pgsql:
. Fixed bug #80892 (PDO::PARAM_INT is treated the same as PDO::PARAM_STR).
(Matteo)

- phpdbg:
. Fixed bug #80757 (Exit code is 0 when could not open file). (Felipe)

- Session:
. Fixed bug #80774 (session_name() problem with backslash). (cmb)
. Fixed bug #80889 (Cannot set save handler when save_handler is invalid).
(cmb)

- SOAP:
. Fixed bug #69668 (SOAP special XML characters in namespace URIs not
encoded). (cmb)

- Standard:
. Fixed bug #78719 (http wrapper silently ignores long Location headers).
(cmb)
. Fixed bug #80771 (phpinfo(INFO_CREDITS) displays nothing in CLI). (cmb)
. Fixed bug #80838 (HTTP wrapper waits for HTTP 1 response after HTTP 101).
(manuelm)
. Fixed bug #80915 (Taking a reference to $_SERVER hides its values from
phpinfo()). (Rowan Tommins)

Download PHP 7.4.18 RC1