PHP version 8.3.20 (10 Apr 2025)

Core:

• Fixed bug GH-17961 (use-after-free during dl()'ed module class destruction). (Arnaud)
• Fixed bug GH-15367 (dl() of module with aliased class crashes in shutdown). (Arnaud)
• Fixed bug GH-13193 again (Significant performance degradation in 'foreach'). (nielsdos)

DOM:

• Fix weird unpack behaviour in DOM. (nielsdos)
• Fix xinclude destruction of live attributes. (nielsdos)

Embed:

• Fixed bug GH-8533 (Unable to link dynamic libphp on Mac). (Kévin Dunglas)

GD:

• Fixed bug GH-17984 (calls with arguments as array with references). (David Carlier)

Intl:

• Fix locale_compose and locale_lookup to work with their array argument with values as references. (David Carlier)
• Fix dateformat_format when the time is an array of references. (David Carlier)
• Fix UConverter::transcode with substitutes as references. (David Carlier)

Mbstring:

• Fixed bug GH-17989 (mb_output_handler crash with unset http_output_conv_mimetypes). (nielsdos)

Opcache:

• Fixed bug GH-18112 (NULL access with preloading and INI option). (nielsdos)
• Fixed bug GH-18107 (Opcache CFG jmp optimization with try-finally breaks the exception table). (nielsdos)

PDO:

• Fix memory leak when destroying PDORow. (nielsdos)

SOAP:

• Fixed bug #66049 (Typemap can break parsing in parse_packet_soap leading to a segfault) . (Remi)

SPL:

• Fixed bug GH-18018 (RC1 data returned from offsetGet causes UAF in ArrayObject). (nielsdos)

Treewide:

• Fixed bug GH-17736 (Assertion failure zend_reference_destroy()). (nielsdos)