CTRL+C and CTRL+BREAK on console can be caught by setting a handler function with sapi_windows_set_ctrl_handler().
proc_open() on Windows can be passed a "create_process_group" option. It is required if the child process is supposed to handle CTRL events.
OPcache now supports an arbitrary number of separate caches per user via the
the INI directive
All processes with the same cache ID and user share an OPcache instance.
The stat implementation has been refactored.
Note that both values are derived from the system and provided as-is on 64-bit systems. On 32-bit systems, these values might overflow the 32-bit integer in PHP, so they're fake.
libsqlite3 is no longer compiled statically into php_sqlite3.dll and php_pdo_sqlite.dll, but rather available as libsqlite3.dll. Refer to the installation instructions for SQLite3 and PDO_SQLITE, respectively.