PHP version 7.4.16 (04 Mar 2021)

Core:

• Fixed #80706 (mail(): Headers after Bcc headers may be ignored). (cmb)

MySQLnd:

• Fixed bug #78680 (mysqlnd's mysql_clear_password does not transmit null-terminated password). (Daniel Black)

MySQLi:

• Fixed bug #74779 (x() and y() truncating floats to integers). (cmb)

OPcache:

• Fixed bug #80682 (opcache doesn't honour pcre.jit option). (Remi)

OpenSSL:

• Fixed bug #80747 (Providing RSA key size < 512 generates key that crash PHP). (Nikita)

Phar:

• Fixed bug #75850 (Unclear error message wrt. __halt_compiler() w/o semicolon) (cmb)
• Fixed bug #70091 (Phar does not mark UTF-8 filenames in ZIP archives). (cmb)
• Fixed bug #53467 (Phar cannot compress large archives). (cmb, lserni)

SPL:

• Fixed bugphp#80719 (Iterating after failed ArrayObject::setIteratorClass() causes Segmentation fault). (Nikita)

Standard:

• Fixed bug #80654 (file_get_contents() maxlen fails above (2**31)-1 bytes). (cmb)

Zip:

• Fixed bug #80648 (Fix for bug 79296 should be based on runtime version). (cmb, Remi)