PHP                                                                        NEWS
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30 Apr 2026, PHP 8.5.6RC3

- Windows:
  . Fixed bug GH-21911 (dom extension fails to compile in shared build mode).
    (ilutov, nono303)

30 Apr 2026, PHP 8.5.6RC2

- URI:
  . Fixed CVE-2026-42371 (uriparser before 1.0.1 has numeric truncation in
    text range comparison). (CVE-2026-42371) (Joshua W. Windle)

23 Apr 2026, PHP 8.5.6RC1

- Core:
  . Fixed bug GH-19983 (GC assertion failure with fibers, generators and
    destructors). (iliaal)
  . Fixed ZEND_API mismatch on zend_ce_closure forward decl for Windows+Clang.
    (henderkes)
  . Fixed bug GH-21504 (Incorrect RC-handling for ZEND_EXT_STMT op1). (ilutov)
  . Fixed bug GH-21478 (Forward property operations to real instance for
    initialized lazy proxies). (iliaal)
  . Fixed bug GH-21605 (Missing addref for Countable::count()). (ilutov)
  . Fixed bug GH-21699 (Assertion failure in shutdown_executor when resolving
    self::/parent::/static:: callables if the error handler throws). (macoaure)
  . Fixed bug GH-21603 (Missing addref for __unset). (ilutov)
  . Fixed bug GH-21760 (Trait with class constant name conflict against
    enum case causes SEGV). (Pratik Bhujel)

- CLI:
  . Fixed bug GH-21754 (`--rf` command line option with a method triggers
    ext/reflection deprecation warnings). (DanielEScherzer)

- Curl:
  . Add support for brotli and zstd on Windows. (Shivam Mathur)

- DOM:
  . Fixed bug GH-21566 (Dom\XMLDocument::C14N() emits duplicate xmlns
    declarations after setAttributeNS()). (David Carlier)

- Iconv:
  . Fixed bug GH-17399 (iconv memory leak on bailout). (iliaal)

- Lexbor:
  . Upgrade to lexbor v2.7.0. (ndossche, ilutov)

- Opcache:
  . Fixed bug GH-21158 (JIT: Assertion jit->ra[var].flags & (1<<0) failed in
    zend_jit_use_reg). (Arnaud)
  . Fixed bug GH-21593 (Borked function JIT JMPNZ smart branch). (ilutov)
  . Fixed bug GH-21460 (COND optimization regression). (Dmitry, Arnaud)
  . Fixed faulty returns out of zend_try block in zend_jit_trace(). (ilutov)

- OpenSSL:
  . Fix memory leak regression in openssl_pbkdf2(). (ndossche)
  . Fix a bunch of memory leaks and crashes on edge cases. (ndossche)

- PDO_PGSQL:
  . Fixed bug GH-21683 (pdo_pgsql throws with ATTR_PREFETCH=0
    on empty result set). (thomasschiet)

- Phar:
  . Restore is_link handler in phar_intercept_functions_shutdown. (iliaal)
  . Fixed bug GH-21797 (phar: NULL dereference in Phar::webPhar() when
    SCRIPT_NAME is absent from SAPI environment). (iliaal)
  . Fix memory leak in Phar::offsetGet(). (iliaal)
  . Fix memory leak in phar_add_file(). (iliaal)
  . Fixed bug GH-21799 (phar: propagate phar_stream_flush return value from
    phar_stream_close). (iliaal)
  . Fix memory leak in phar_verify_signature() when md_ctx is invalid.
    (JarneClauw)

- Random:
  . Fixed bug GH-21731 (Random\Engine\Xoshiro256StarStar::__unserialize()
    accepts all-zero state). (iliaal)

- Session:
  . Fixed memory leak when session GC callback return a refcounted value.
    (jorgsowa)

- SPL:
  . Fixed bug GH-21499 (RecursiveArrayIterator getChildren UAF after parent
    free). (Girgias)
  . Fix concurrent iteration and deletion issues in SplObjectStorage.
    (ndossche)

- Sqlite3:
  . Fixed wrong free list comparator pointer type. (David Carlier)

- Streams:
  . Fixed bug GH-21468 (Segfault in file_get_contents w/ a https URL
    and a proxy set). (ndossche)

26 Mar 2026, PHP 8.5.5

- Core:
  . Fixed bug GH-20672 (Incorrect property_info sizing for locally shadowed
    trait properties). (ilutov)
  . Fixed bugs GH-20875, GH-20873, GH-20854 (Propagate IN_GET guard in
    get_property_ptr_ptr for lazy proxies). (iliaal)

- Bz2:
  . Fix truncation of total output size causing erroneous errors. (ndossche)

- DOM:
  . Fixed bug GH-21486 (Dom\HTMLDocument parser mangles xml:space and
    xml:lang attributes). (ndossche)

- FFI:
  . Fixed resource leak in FFI::cdef() onsymbol resolution failure.
    (David Carlier)

- GD:
  . Fixed bug GH-21431 (phpinfo() to display libJPEG 10.0 support).
    (David Carlier)

- Opcache:
  . Fixed bug GH-21052 (Preloaded constant erroneously propagated to file-cached
    script). (ilutov)
  . Fixed bug GH-20838 (JIT compiler produces wrong arithmetic results).
    (Dmitry, iliaal)
  . Fixed bug GH-21267 (JIT tracing: infinite loop on FETCH_OBJ_R with
    IS_UNDEF property in polymorphic context). (Dmitry, iliaal)
  . Fixed bug GH-21395 (uaf in jit). (ndossche)

- OpenSSL:
  . Fixed bug GH-21083 (Skip private_key_bits validation for EC/curve-based
    keys). (iliaal)
  . Fix missing error propagation for BIO_printf() calls. (ndossche)

- PCNTL:
  . Fixed signal handler installation on AIX by bumping the storage size of the
    num_signals global. (Calvin Buckley)

- PCRE:
  . Fixed re-entrancy issue on php_pcre_match_impl, php_pcre_replace_impl,
    php_pcre_split_impl, and php_pcre_grep_impl. (David Carlier)

- Phar:
  . Fixed bug GH-21333 (use after free when unlinking entries during iteration
    of a compressed phar). (David Carlier)

- SNMP:
  . Fixed bug GH-21336 (SNMP::setSecurity() undefined behavior with
    NULL arguments). (David Carlier)

- SOAP:
  . Fixed Set-Cookie parsing bug wrong offset while scanning attributes.
    (David Carlier)

- SPL:
  . Fixed bug GH-21454 (missing write lock validation in SplHeap).
    (ndossche)

- Standard:
  . Fixed bug GH-20906 (Assertion failure when messing up output buffers).
    (ndossche)
  . Fixed bug GH-20627 (Cannot identify some avif images with getimagesize).
    (y-guyon)

- Sysvshm:
  . Fix memory leak in shm_get_var() when variable is corrupted. (ndossche)

- XSL:
  . Fix GH-21357 (XSLTProcessor works with DOMDocument, but fails with
    Dom\XMLDocument). (ndossche)
  . Fixed bug GH-21496 (UAF in dom_objects_free_storage).
    (David Carlier/ndossche)

12 Mar 2026, PHP 8.5.4

- Core:
  . Fixed bug GH-21029 (zend_mm_heap corrupted on Aarch64, LTO builds). (Arnaud)
  . Fixed bug GH-21059 (Segfault when preloading constant AST closure). (ilutov)
  . Fixed bug GH-21072 (Crash on (unset) cast in constant expression).
    (arshidkv12)
  . Fix deprecation now showing when accessing null key of an array with JIT.
    (alexandre-daubois)
  . Fixed bug GH-20657 (Assertion failure in zend_lazy_object_get_info triggered
    by setRawValueWithoutLazyInitialization() and newLazyGhost()). (Arnaud)
  . Fixed bug GH-20504 (Assertion failure in zend_get_property_guard when
    accessing properties on Reflection LazyProxy via isset()). (Arnaud)
  . Fixed OSS-Fuzz #478009707 (Borked assign-op/inc/dec on untyped hooked
    property backing value). (ilutov)
  . Fixed bug GH-21215 (Build fails with -std=). (Arnaud)
  . Fixed bug GH-13674 (Build system installs libtool wrappers when using
    slibtool). (Michael Orlitzky)

- Curl:
  . Don't truncate length. (ndossche)

- Date:
  . Fixed bug GH-20936 (DatePeriod::__set_state() cannot handle null start).
    (ndossche)
  . Fix timezone offset with seconds losing precision. (ndossche)

- DOM:
  . Fixed bug GH-21077 (Accessing Dom\Node::baseURI can throw TypeError).
    (ndossche)
  . Fixed bug GH-21097 (Accessing Dom\Node properties can can throw TypeError).
    (ndossche)

- LDAP:
  . Fixed bug GH-21262 (ldap_modify() too strict controls argument validation
    makes it impossible to unset attribute). (David Carlier)

- MBString:
  . Fixed bug GH-21223; mb_guess_encoding no longer crashes when passed huge
    list of candidate encodings (with 200,000+ entries). (Jordi Kroon)

- Opcache:
  . Fixed bug GH-20718 ("Insufficient shared memory" when using JIT on Solaris).
    (Petr Sumbera)
  . Fixed bug GH-21227 (Borked SCCP of array containing partial object).
    (ilutov)

- OpenSSL:
  . Fix a bunch of leaks and error propagation. (ndossche)

- Windows:
  . Fixed compilation with clang (missing intrin.h include). (Kévin Dunglas)

29 Jan 2026, PHP 8.5.3

- Core:
  . Fixed bug GH-20806 (preserve_none feature compatiblity with LTO).
    (henderkes)
  . Fixed bug GH-20767 (build failure with musttail/preserve_none feature
    on macOs). (David Carlier)
  . Fixed bug GH-20837 (NULL dereference when calling ob_start() in shutdown
    function triggered by bailout in php_output_lock_error()). (timwolla)
  . Fix OSS-Fuzz #471533782 (Infinite loop in GC destructor fiber). (ilutov)
  . Fix OSS-Fuzz #472563272 (Borked block_pass JMP[N]Z optimization). (ilutov)
  . Fixed bug GH-20914 (Internal enums can be cloned and compared). (Arnaud)
  . Fix OSS-Fuzz #474613951 (Leaked parent property default value). (ilutov)
  . Fixed bug GH-20895 (ReflectionProperty does not return the PHPDoc of a
    property if it contains an attribute with a Closure). (timwolla)
  . Fixed bug GH-20766 (Use-after-free in FE_FREE with GC interaction). (Bob)
  . Fix OSS-Fuzz #471486164 (Broken by-ref assignment to uninitialized hooked
    backing value). (ilutov)
  . Fix OSS-Fuzz #438780145 (Nested finally with repeated return type check may
    uaf). (ilutov)
  . Fixed bug GH-20905 (Lazy proxy bailing __clone assertion). (ilutov)
  . Fixed bug GH-20479 (Hooked object properties overflow). (ndossche)

- Date:
  . Update timelib to 2022.16. (Derick)

- DOM:
  . Fixed GH-21041 (Dom\HTMLDocument corrupts closing tags within scripts).
    (lexborisov)

- MbString:
  . Fixed bug GH-20833 (mb_str_pad() divide by zero if padding string is
    invalid in the encoding). (ndossche)
  . Fixed bug GH-20836 (Stack overflow in mb_convert_variables with
    recursive array references). (alexandre-daubois)

- Opcache:
  . Fixed bug GH-20818 (Segfault in Tracing JIT with object reference).
    (khasinski)

- OpenSSL:
  . Fix memory leaks when sk_X509_new_null() fails. (ndossche)
  . Fix crash when in openssl_x509_parse() when i2s_ASN1_INTEGER() fails.
    (ndossche)
  . Fix crash in openssl_x509_parse() when X509_NAME_oneline() fails.
    (ndossche)

- Phar:
  . Fixed bug GH-20882 (buildFromIterator breaks with missing base directory).
    (ndossche)

- PGSQL:
  . Fixed INSERT/UPDATE queries building with PQescapeIdentifier() and possible
    UB. (David Carlier)

- Readline:
  . Fixed bug GH-18139 (Memory leak when overriding some settings
    via readline_info()). (ndossche)

- SPL:
  . Fixed bug GH-20856 (heap-use-after-free in SplDoublyLinkedList iterator
    when modifying during iteration). (ndossche)

- Standard:
  . Fixed bug #74357 (lchown fails to change ownership of symlink with ZTS)
    (Jakub Zelenka)
  . Fixed bug GH-20843 (var_dump() crash with nested objects)
    (David Carlier)

15 Jan 2026, PHP 8.5.2

- Core:
  . Fix OSS-Fuzz #465488618 (Wrong assumptions when dumping function signature
    with dynamic class const lookup default argument). (ilutov)
  . Fixed bug GH-20695 (Assertion failure in normalize_value() when parsing
    malformed INI input via parse_ini_string()). (ndossche)
  . Fixed bug GH-20714 (Uncatchable exception thrown in generator). (ilutov)
  . Fixed bug GH-20352 (UAF in php_output_handler_free via re-entrant
    ob_start() during error deactivation). (ndossche)
  . Fixed bug GH-20745 ("Casting out of range floats to int" applies to
    strings). (Bob)

- DOM:
  . Fixed bug GH-20722 (Null pointer dereference in DOM namespace node cloning
    via clone on malformed objects). (ndossche)
  . Fixed bug GH-20444 (Dom\XMLDocument::C14N() seems broken compared
    to DOMDocument::C14N()). (ndossche)

- EXIF:
  . Fixed bug GH-20631 (Integer underflow in exif HEIF parsing
    when pos.size < 2). (Oblivionsage)

- Intl:
  . Fix leak in umsg_format_helper(). (ndossche)

- LDAP:
  . Fix memory leak in ldap_set_options(). (ndossche)

- Lexbor:
  . Fixed bug GH-20668 (\Uri\WhatWg\Url::withHost() crashes (SEGV) for URLs
    using the file: scheme). (lexborisov)

- Mbstring:
  . Fixed bug GH-20674 (mb_decode_mimeheader does not handle separator).
    (Yuya Hamada)

- OpenSSL:
  . Fixed bug GH-20802 (undefined behavior with invalid SNI_server_certs
    options). (David Carlier)

- PCNTL:
  . Fixed bug with pcntl_getcpuaffinity() on solaris regarding invalid
    process ids handling. (David Carlier)

- Phar:
  . Fixed bug GH-20732 (Phar::LoadPhar undefined behavior when reading fails).
    (ndossche)
  . Fix SplFileInfo::openFile() in write mode. (ndossche)
  . Fix build on legacy OpenSSL 1.1.0 systems. (Giovanni Giacobbi)
  . Fixed bug #74154 (Phar extractTo creates empty files). (ndossche)

- Session:
  . Fix support for MM module. (Michael Orlitzky)

- Sqlite3:
  . Fixed bug GH-20699 (SQLite3Result fetchArray return array|false,
    null returned). (ndossche, plusminmax)

- Standard:
  . Fix error check for proc_open() command. (ndossche)
  . Fix memory leak in mail() when header key is numeric. (Girgias)
  . Fixed bug GH-20582 (Heap Buffer Overflow in iptcembed). (ndossche)

- URI:
  . Fixed bug GH-20771 (Assertion failure when getUnicodeHost() returns
    empty string). (ndossche)

- Zlib:
  . Fix OOB gzseek() causing assertion failure. (ndossche)

18 Dec 2025, PHP 8.5.1

- Core:
  . Sync all boost.context files with release 1.86.0. (mvorisek)
  . Fixed bug GH-20435 (SensitiveParameter doesn't work for named argument
    passing to variadic parameter). (ndossche)
  . Fixed bug GH-20546 (preserve_none attribute configure check on macOs
    issue). (David Carlier/cho-m)
  . Fixed bug GH-20286 (use-after-destroy during userland stream_close()).
    (ndossche, David Carlier)

- Bz2:
  . Fix assertion failures resulting in crashes with stream filter
    object parameters. (ndossche)

- DOM:
  . Fix memory leak when edge case is hit when registering xpath callback.
    (ndossche)
  . Fixed bug GH-20395 (querySelector and querySelectorAll requires elements
    in $selectors to be lowercase). (ndossche)
  . Fix missing NUL byte check on C14NFile(). (ndossche)

- Fibers:
  . Fixed bug GH-20483 (ASAN stack overflow with fiber.stack_size INI
    small value). (David Carlier)

- Intl:
  . Fixed bug GH-20426 (Spoofchecker::setRestrictionLevel() error message
    suggests missing constants). (DanielEScherzer)

- Lexbor:
  . Fixed bug GH-20501 (\Uri\WhatWg\Url lose host after calling
    withPath() or withQuery()). (lexborisov)
  . Fixed bug GH-20502 (\Uri\WhatWg\Url crashes (SEGV) when parsing
    malformed URL due to Lexbor memory corruption). (lexborisov)

- LibXML:
  . Fix some deprecations on newer libxml versions regarding input
    buffer/parser handling. (ndossche)

- mysqli:
  . Make mysqli_begin_transaction() report errors properly. (Kamil Tekiela)

- MySQLnd:
  . Fixed bug GH-20528 (Regression breaks mysql connexion using an IPv6 address
    enclosed in square brackets). (Remi)

- Opcache:
  . Fixed bug GH-20329 (opcache.file_cache broken with full interned string
    buffer). (Arnaud)

- PDO:
  . Fixed bug GH-20553 (PDO::FETCH_CLASSTYPE ignores $constructorArgs in
    PHP 8.5.0). (Girgias)
  . Fixed GHSA-8xr5-qppj-gvwj (PDO quoting result null deref). (CVE-2025-14180)
    (Jakub Zelenka)

- Phar:
  . Fixed bug GH-20442 (Phar does not respect case-insensitiveness of
    __halt_compiler() when reading stub). (ndossche, TimWolla)
  . Fix broken return value of fflush() for phar file entries. (ndossche)
  . Fix assertion failure when fseeking a phar file out of bounds. (ndossche)

- PHPDBG:
  . Fixed ZPP type violation in phpdbg_get_executable() and phpdbg_end_oplog().
    (Girgias)

- SPL:
  . Fixed bug GH-20614 (SplFixedArray incorrectly handles references
    in deserialization). (ndossche)

- Standard:
  . Fix memory leak in array_diff() with custom type checks. (ndossche)
  . Fixed bug GH-20583 (Stack overflow in http_build_query
    via deep structures). (ndossche)
  . Fixed GHSA-www2-q4fc-65wf (Null byte termination in dns_get_record()).
    (ndossche)
  . Fixed GHSA-h96m-rvf9-jgm2 (Heap buffer overflow in array_merge()).
    (CVE-2025-14178) (ndossche)
  . Fixed GHSA-3237-qqm7-mfv7 (Information Leak of Memory in getimagesize).
    (CVE-2025-14177) (ndossche)

- Streams:
  . Fixed bug GH-20370 (User stream filters could violate typed property
    constraints). (alexandre-daubois)

- URI:
  . Fixed bug GH-20366 (ext/uri incorrectly throws ValueError when encountering
    null byte). (kocsismate)
  . Fixed CVE-2025-67899 (uriparser through 0.9.9 allows unbounded recursion
    and stack consumption). (Sebastian Pipping)

- XML:
  . Fixed bug GH-20439 (xml_set_default_handler() does not properly handle
    special characters in attributes when passing data to callback). (ndossche)

- Zip:
  . Fix crash in property existence test. (ndossche)
  . Don't truncate return value of zip_fread() with user sizes. (ndossche)

- Zlib:
  . Fix assertion failures resulting in crashes with stream filter
    object parameters. (ndossche)

20 Nov 2025, PHP 8.5.0

- Core:
  . Added the #[\NoDiscard] attribute to indicate that a function's return
    value is important and should be consumed. (timwolla, edorian)
  . Added the (void) cast to indicate that not using a value is intentional.
    (timwolla, edorian)
  . Added get_error_handler(), get_exception_handler() functions. (Arnaud)
  . Added support for casts in constant expressions. (nielsdos)
  . Added the pipe (|>) operator. (crell)
  . Added support for `final` with constructor property promotion.
    (DanielEScherzer)
  . Added support for configuring the URI parser for the FTP/FTPS as well as
    the SSL/TLS stream wrappers as described in
    https://wiki.php.net/rfc/url_parsing_api#plugability. (kocsismate)
  . Added PHP_BUILD_PROVIDER constant. (timwolla)
  . Added PHP_BUILD_DATE constant. (cmb)
  . Added support for Closures and first class callables in constant
    expressions. (timwolla, edorian)
  . Add support for backtraces for fatal errors. (enorris)
  . Add clone-with support to the clone() function. (timwolla, edorian)
  . Add RFC 3986 and WHATWG URL compliant APIs for URL parsing
    and manipulation (kocsismate, timwolla)
  . Fixed AST printing for immediately invoked Closure. (Dmitrii Derepko)
  . Properly handle __debugInfo() returning an array reference. (nielsdos)
  . Properly handle reference return value from __toString(). (nielsdos)
  . Improved error message of UnhandledMatchError for
    zend.exception_string_param_max_len=0. (timwolla)
  . Fixed bug GH-15753 and GH-16198 (Bind traits before parent class). (ilutov)
  . Fixed bug GH-17951 (memory_limit is not always limited by max_memory_limit).
    (manuelm)
  . Fixed bug GH-20183 (Stale EG(opline_before_exception) pointer through eval).
    (ilutov)
  . Fixed bug GH-20113 (Missing new Foo(...) error in constant expressions).
    (ilutov)
  . Fixed bug GH-19844 (Don't bail when closing resources on shutdown). (ilutov)
  . Fixed bug GH-20177 (Accessing overridden private property in
    get_object_vars() triggers assertion error). (ilutov)
  . Fix OSS-Fuzz #447521098 (Fatal error during sccp shift eval). (ilutov)
  . Fixed bug GH-20002 (Broken build on *BSD with MSAN). (outtersg)
  . Fixed bug GH-19352 (Cross-compilation with musl C library).
    (henderkes, Peter Kokot)
  . Fixed bug GH-19765 (object_properties_load() bypasses readonly property
    checks). (timwolla)
  . Fixed hard_timeout with --enable-zend-max-execution-timers. (Appla)
  . Fixed bug GH-19839 (Incorrect HASH_FLAG_HAS_EMPTY_IND flag on userland
    array). (ilutov)
  . Fixed bug GH-19823 (register_argc_argv deprecation emitted twice when
    using OPcache). (timwolla)
  . Fixed bug GH-19480 (error_log php.ini cannot be unset when open_basedir is
    configured). (nielsdos)
  . Fixed bug GH-19719 (Allow empty statements before declare(strict_types)).
    (nielsdos)
  . Fixed bug GH-19934 (CGI with auto_globals_jit=0 causes uouv). (ilutov)
  . Fixed bug GH-19613 (Stale array iterator pointer). (ilutov)
  . Fixed bug GH-19679 (zend_ssa_range_widening may fail to converge). (Arnaud)
  . Fixed bug GH-19681 (PHP_EXPAND_PATH broken with bash 5.3.0). (Remi)
  . Fixed bug GH-18850 (Repeated inclusion of file with __halt_compiler()
    triggers "Constant already defined" warning). (ilutov)
  . Fixed bug GH-19476 (pipe operator fails to correctly handle returning
    by reference). (alexandre-daubois)
  . Fixed bug GH-19081 (Wrong lineno in property error with constructor property
    promotion). (ilutov)
  . Fixed bug GH-17959 (Relax missing trait fatal error to error exception).
    (ilutov)
  . Fixed bug GH-18033 (NULL-ptr dereference when using register_tick_function
    in destructor). (nielsdos)
  . Fixed bug GH-18026 (Improve "expecting token" error for ampersand). (ilutov)
  . The report_memleaks INI directive has been deprecated. (alexandre-daubois)
  . Fixed OSS-Fuzz #439125710 (Pipe cannot be used in write context).
    (nielsdos)
  . Fixed bug GH-19548 (Shared memory violation on property inheritance).
    (alexandre-daubois)
  . Fixed bug GH-19544 (GC treats ZEND_WEAKREF_TAG_MAP references as WeakMap
    references). (Arnaud, timwolla)
  . Fixed bug GH-18373 (Don't substitute self/parent with anonymous class).
    (ilutov)
  . Fix support for non-userland stream notifiers. (timwolla)
  . Fixed bug GH-19305 (Operands may be being released during comparison).
    (Arnaud)
  . Fixed bug GH-19306 (Generator can be resumed while fetching next value from
    delegated Generator). (Arnaud)
  . Fixed bug GH-19326 (Calling Generator::throw() on a running generator with
    a non-Generator delegate crashes). (Arnaud)
  . Fix OSS-Fuzz #427814452 (pipe compilation fails with assert).
    (nielsdos, ilutov)
  . Fixed bug GH-16665 (\array and \callable should not be usable in
    class_alias). (nielsdos)
  . Use `clock_gettime_nsec_np()` for high resolution timer on macOS
    if available. (timwolla)
  . Make `clone()` a function. (timwolla, edorian)
  . Introduced the TAILCALL VM, enabled by default when compiling with Clang>=19
    on x86_64 or aarch64. (Arnaud)
  . Enacted the follow-up phase of the "Path to Saner Increment/Decrement
    operators" RFC, meaning that incrementing non-numeric strings is now
    deprecated. (Girgias).
  . Various closure binding issues are now deprecated. (alexandre-daubois)
  . Constant redeclaration has been deprecated. (alexandre-daubois)
  . Marks the stack as non-executable on Haiku. (David Carlier)
  . Deriving $_SERVER['argc'] and $_SERVER['argv'] from the query string is
    now deprecated. (timwolla, nicolasgrekas)
  . Using null as an array offset or when calling array_key_exists() is now
    deprecated. (alexandre-daubois)
  . The disable_classes INI directive has been removed. (Girgias)
  . The locally predefined variable $http_response_header is deprecated.
    (Girgias)
  . Non-canonical cast names (boolean), (integer), (double), and (binary) have
    been deprecated. (Girgias)
  . The $exclude_disabled parameter of the get_defined_functions() function has
    been deprecated, as it no longer has any effect since PHP 8.0. (Girgias)
  . Terminating case statements with a semicolon instead of a colon has
    been deprecated. (theodorejb)
  . The backtick operator as an alias for shell_exec() has been deprecated.
    (timwolla)
  . Returning null from __debugInfo() has been deprecated. (DanielEScherzer)
  . Support #[\Override] on properties. (Jiří Pudil)
  . Destructing non-array values (other than NULL) using [] or list() now
    emits a warning. (Girgias)
  . Casting floats that are not representable as ints now emits a warning.
    (Girgias)
  . Casting NAN to other types now emits a warning. (Girgias)
  . Implement GH-15680 (Enhance zend_dump_op_array to properly represent
    non-printable characters in string literals). (nielsdos, WangYihang)
  . Fixed bug GH-17442 (Engine UAF with reference assign and dtor). (nielsdos)
  . Do not use RTLD_DEEPBIND if dlmopen is available. (Daniil Gentili)
  . Added #[\DelayedTargetValidation] attribute. (DanielEScherzer)
  . Support #[\Deprecated] on traits. (DanielEScherzer)

- BCMath:
  . Simplify `bc_divide()` code. (SakiTakamachi)
  . If the result is 0, n_scale is set to 0. (SakiTakamachi)
  . If size of BC_VECTOR array is within 64 bytes, stack area is now used.
    (SakiTakamachi)
  . Fixed bug GH-20006 (Power of 0 of BcMath number causes UB). (nielsdos)

- Bz2:
  . Fixed bug GH-19810 (Broken bzopen() stream mode validation). (ilutov)

- CLI:
  . Add --ini=diff to print INI settings changed from the builtin default.
    (timwolla)
  . Drop support for -z CLI/CGI flag. (nielsdos)
  . Fixed GH-17956 - development server 404 page does not adapt to mobiles.
    (pascalchevrel)
  . Fix useless "Failed to poll event" error logs due to EAGAIN in CLI server
    with PHP_CLI_SERVER_WORKERS. (leotaku)
  . Fixed bug GH-19461 (Improve error message on listening error with IPv6
    address). (alexandre-daubois)

- COM:
  . Fixed property access of PHP objects wrapped in variant. (cmb)
  . Fixed method calls for PHP objects wrapped in variant. (cmb)

- Curl:
  . Added CURLFOLLOW_ALL, CURLFOLLOW_OBEYCODE and CURLFOLLOW_FIRSTONLY
    values for CURLOPT_FOLLOWLOCATION curl_easy_setopt option. (David Carlier)
  . Added curl_multi_get_handles(). (timwolla)
  . Added curl_share_init_persistent(). (enorris)
  . Added CURLINFO_USED_PROXY, CURLINFO_HTTPAUTH_USED, and CURLINFO_PROXYAUTH_USED
    support to curl_getinfo. (Ayesh Karunaratne)
  . Add support for CURLINFO_CONN_ID in curl_getinfo() (thecaliskan)
  . Add support for CURLINFO_QUEUE_TIME_T in curl_getinfo() (thecaliskan)
  . Add support for CURLOPT_SSL_SIGNATURE_ALGORITHMS. (Ayesh Karunaratne)
  . The curl_close() function has been deprecated. (DanielEScherzer)
  . The curl_share_close() function has been deprecated. (DanielEScherzer)
  . Fix cloning of CURLOPT_POSTFIELDS when using the clone operator instead
    of the curl_copy_handle() function to clone a CurlHandle. (timwolla)

- Date:
  . Fix undefined behaviour problems regarding integer overflow in extreme edge
    cases. (nielsdos, cmb, ilutov)
  . The DATE_RFC7231 and DateTimeInterface::RFC7231 constants have been
    deprecated. (jorgsowa)
  . Fixed date_sunrise() and date_sunset() with partial-hour UTC offset.
    (ilutov)
  . Fixed GH-17159: "P" format for ::createFromFormat swallows string literals.
    (nielsdos)
  . The __wakeup() magic method of DateTimeInterface, DateTime,
    DateTimeImmutable, DateTimeZone, DateInterval, and DatePeriod has been
    deprecated in favour of the __unserialize() magic method. (Girgias)

- DOM:
  . Added Dom\Element::$outerHTML. (nielsdos)
  . Added Dom\Element::insertAdjacentHTML(). (nielsdos)
  . Added $children property to ParentNode implementations. (nielsdos)
  . Make cloning DOM node lists, maps, and collections fail. (nielsdos)
  . Added Dom\Element::getElementsByClassName(). (nielsdos)
  . Fixed bug GH-18877 (\Dom\HTMLDocument querySelectorAll selecting only the
    first when using ~ and :has). (nielsdos, lexborisov)
  . Fix getNamedItemNS() incorrect namespace check. (nielsdos)

- Enchant:
  . Added enchant_dict_remove_from_session(). (nielsdos)
  . Added enchant_dict_remove(). (nielsdos)
  . Fix missing empty string checks. (nielsdos)

- EXIF:
  . Add OffsetTime* Exif tags. (acc987)
  . Added support to retrieve Exif from HEIF file. (Benstone Zhang)
  . Fix OSS-Fuzz #442954659 (zero-size box in HEIF file causes infinite loop).
    (nielsdos)
  . Fix OSS-Fuzz #442954659 (Crash in exif_scan_HEIF_header). (nielsdos)
  . Various hardening fixes to HEIF parsing. (nielsdos)


- FileInfo:
  . The finfo_close() function has been deprecated. (timwolla)
  . The $context parameter of the finfo_buffer() function has been deprecated
    as it is ignored. (Girgias)
  . Upgrade to file 5.46. (nielsdos)
  . Change return type of finfo_close() to true. (timwolla)

- Filter:
  . Added support for configuring the URI parser for FILTER_VALIDATE_URL
    as described in https://wiki.php.net/rfc/url_parsing_api#plugability.
    (kocsismate)
  . Fixed bug GH-16993 (filter_var_array with FILTER_VALIDATE_INT|FILTER_NULL_ON_FAILURE
    should emit warning for invalid filter usage). (alexandre-daubois)
  . Added FILTER_THROW_ON_FAILURE flag. (DanielEScherzer)

- FPM:
  . Fixed bug GH-19817 (Decode SCRIPT_FILENAME issue in php 8.5).
    (Jakub Zelenka)
  . Fixed bug GH-19989 (PHP 8.5 FPM access log lines also go to STDERR).
    (Jakub Zelenka)
  . Fixed GH-17645 (FPM with httpd ProxyPass does not decode script path).
    (Jakub Zelenka)
  . Make FPM access log limit configurable using log_limit. (Jakub Zelenka)
  . Fixed failed debug assertion when php_admin_value setting fails. (ilutov)
  . Fixed GH-8157 (post_max_size evaluates .user.ini too late in php-fpm).
    (Jakub Zelenka)

- GD:
  . Fixed bug #68629 (Transparent artifacts when using imagerotate). (pierre,
    cmb)
  . Fixed bug #64823 (ZTS GD fails to find system TrueType font). (cmb)
  . Fix incorrect comparison with result of php_stream_can_cast(). (Girgias)
  . The imagedestroy() function has been deprecated. (DanielEScherzer)

- Iconv:
  . Extends the ICONV_CONST preprocessor for illumos/solaris. (jMichaelA)

- Intl:
  . Bumped ICU requirement to ICU >= 57.1. (cmb)
  . IntlDateFormatter::setTimeZone()/datefmt_set_timezone() throws an exception
    with uninitialised classes or clone failure. (David Carlier)
  . Added DECIMAL_COMPACT_SHORT/DECIMAL_COMPACT_LONG for NumberFormatter class.
    (BogdanUngureanu)
  . Added Locale::isRightToLeft to check if a locale is written right to left.
    (David Carlier)
  . Added null bytes presence in locale inputs for Locale class. (David Carlier)
  . Added grapheme_levenshtein() function. (Yuya Hamada)
  . Added Locale::addLikelySubtags/Locale::minimizeSubtags to handle
    adding/removing likely subtags to a locale. (David Carlier)
  . Added IntlListFormatter class to format a list of items with a locale,
    operands types and units. (BogdanUngureanu)
  . Added grapheme_strpos(), grapheme_stripos(), grapheme_strrpos(),
    grapheme_strripos(), grapheme_substr(), grapheme_strstr(), grapheme_stristr() and
    grapheme_levenshtein() functions add $locale parameter (Yuya Hamada).
  . Fixed bug GH-11952 (Fix locale strings canonicalization for IntlDateFormatter
    and NumberFormatter). (alexandre-daubois)
  . Fixed bug GH-18566 ([intl] Weird numeric sort in Collator). (nielsdos)
  . Fix return value on failure for resourcebundle count handler. (Girgias)
  . Fixed bug GH-19307 (PGO builds of shared ext-intl are broken). (cmb)
  . Intl's internal error mechanism has been modernized so that it
    indicates more accurately which call site caused what error.
    Moreover, some ext/date exceptions have been wrapped inside a
    IntlException now. (Girgias)
  . The intl.error_level INI setting has been deprecated. (Girgias)

- LDAP:
  . Allow ldap_get_option to retrieve global option by allowing NULL for
    connection instance ($ldap). (Remi)

- MBstring:
  . Updated Unicode data tables to Unicode 17.0. (Yuya Hamada)

- MySQLi:
  . Fixed bugs GH-17900 and GH-8084 (calling mysqli::__construct twice).
    (nielsdos)
  . The mysqli_execute() alias function has been deprecated. (timwolla)

- MySQLnd:
  . Added mysqlnd.collect_memory_statistics to ini quick reference.
    (hauk92)

- ODBC:
  . Removed driver-specific build flags and support. (Calvin Buckley)
  . Remove ODBCVER and assume ODBC 3.5. (Calvin Buckley)

- Opcache:
  . Make OPcache non-optional (Arnaud, timwolla)
  . Added opcache.file_cache_read_only. (Samuel Melrose)
  . Updated default value of opcache.jit_hot_loop. (Arnaud)
  . Log a warning when opcache lock file permissions could not be changed.
    (Taavi Eomäe)
  . Fixed bug GH-20012 (heap buffer overflow in jit). (Arnaud)
  . Partially fixed bug GH-17733 (Avoid calling wrong function when reusing file
    caches across differing environments). (ilutov)
  . Disallow changing opcache.memory_consumption when SHM is already set up.
    (timwolla)
  . Fixed bug GH-15074 (Compiling opcache statically into ZTS PHP fails).
    (Arnaud)
  . Fixed bug GH-17422 (OPcache bypasses the user-defined error handler for
    deprecations). (Arnaud, timwolla)
  . Fixed bug GH-19301 (opcache build failure). (Remi)
  . Fixed bug GH-20081 (access to uninitialized vars in preload_load()).
    (Arnaud)
  . Fixed bug GH-20121 (JIT broken in ZTS builds on MacOS 15).
    (Arnaud, Shivam Mathur)
  . Fixed bug GH-19875 (JIT 1205 segfault on large file compiled in subprocess).
    (Arnaud)
  . Fixed segfault in function JIT due to NAN to bool warning. (Girgias)
  . Fixed bug GH-19984 (Double-free of EG(errors)/persistent_script->warnings on
    persist of already persisted file). (ilutov, Arnaud)
  . Fixed bug GH-19889 (race condition in zend_runtime_jit(),
    zend_jit_hot_func()). (Arnaud)
  . Fixed bug GH-19669 (assertion failure in zend_jit_trace_type_to_info_ex).
    (Arnaud)
  . Fixed bug GH-19831 (function JIT may not deref property value). (Arnaud)
  . Fixed bug GH-19486 (Incorrect opline after deoptimization). (Arnaud)
  . Fixed bug GH-19601 (Wrong JIT stack setup on aarch64/clang). (Arnaud)
  . Fixed bug GH-19388 (Broken opcache.huge_code_pages). (Arnaud)
  . Fixed bug GH-19657 (Build fails on non-glibc/musl/freebsd/macos/win
    platforms). (Arnaud)
  . Fixed ZTS OPcache build on Cygwin. (cmb)
  . Fixed bug GH-19493 (JIT variable not stored before YIELD). (Arnaud)

- OpenSSL:
  . Added openssl.libctx INI that allows to select the OpenSSL library context
    type and convert various parts of the extension to use the custom libctx.
    (Jakub Zelenka)
  . Add $digest_algo parameter to openssl_public_encrypt() and
    openssl_private_decrypt() functions. (Jakub Zelenka)
  . Implement #81724 (openssl_cms_encrypt only allows specific ciphers).
    (Jakub Zelenka)
  . Implement #80495 (Enable to set padding in openssl_(sign|verify).
    (Jakub Zelenka)
  . Implement #47728 (openssl_pkcs7_sign ignores new openssl flags).
    (Jakub Zelenka)
  . Fixed bug GH-19994 (openssl_get_cipher_methods inconsistent with fetching).
    (Jakub Zelenka)
  . Fixed build when --with-openssl-legacy-provider set. (Jakub Zelenka)
  . Fixed bug GH-19369 (8.5 | Regression in openssl_sign() - support for alias
    algorithms appears to be broken). (Jakub Zelenka)
  . The $key_length parameter for openssl_pkey_derive() has been deprecated.
    (Girgias)

- Output:
  . Fixed calculation of aligned buffer size. (cmb)

- PCNTL:
  . Extend pcntl_waitid with rusage parameter. (vrza)

- PCRE:
  . Remove PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK from pcre compile options.
    (mvorisek)

- PDO:
  . Fixed bug GH-20095 (Incorrect class name in deprecation message for PDO
    mixins). (timwolla)
  . Driver specific methods and constants in the PDO class
    are now deprecated. (Arnaud)
  . The "uri:" DSN scheme has been deprecated due to security concerns with
    DSNs coming from remote URIs. (timwolla)

- PDO_ODBC:
  . Fetch larger block sizes and better handle SQL_NO_TOTAL when calling
    SQLGetData. (Calvin Buckley, Saki Takamachi)

- PDO_PGSQL:
  . Added Iterable support for PDO::pgsqlCopyFromArray. (KentarouTakeda)
  . Implement GH-15387 Pdo\Pgsql::setAttribute(PDO::ATTR_PREFETCH, 0) or
    Pdo\Pgsql::prepare(…, [ PDO::ATTR_PREFETCH => 0 ]) make fetch() lazy
    instead of storing the whole result set in memory (Guillaume Outters)

- PDO_SQLITE:
  . Add PDO\Sqlite::ATTR_TRANSACTION_MODE connection attribute.
    (Samuel Štancl)
  . Implement GH-17321: Add setAuthorizer to Pdo\Sqlite. (nielsdos)
  . PDO::sqliteCreateCollation now throws a TypeError if the callback
    has a wrong return type. (David Carlier)
  . Added Pdo_Sqlite::ATTR_BUSY_STATEMENT constant to check
    if a statement is currently executing. (David Carlier)
  . Added Pdo_Sqlite::ATTR_EXPLAIN_STATEMENT constant to set a statement
    in either EXPLAIN_MODE_PREPARED, EXPLAIN_MODE_EXPLAIN,
    EXPLAIN_MODE_EXPLAIN_QUERY_PLAN modes. (David Carlier)
  . Fix bug GH-13952 (sqlite PDO::quote silently corrupts strings
    with null bytes) by throwing on null bytes. (divinity76)

- PGSQL:
  . Added pg_close_stmt to close a prepared statement while allowing
    its name to be reused. (David Carlier)
  . Added Iterable support for pgsql_copy_from. (David Carlier)
  . pg_connect checks if connection_string contains any null byte,
    pg_close_stmt check if the statement contains any null byte.
    (David Carlier)
  . Added pg_service to get the connection current service identifier.
    (David Carlier)
  . Fix segfaults when attempting to fetch row into a non-instantiable class
    name. (Girgias, nielsdos)

- Phar:
  . Fix potential buffer length truncation due to usage of type int instead
    of type size_t. (Girgias)
  . Fixed memory leaks when verifying OpenSSL signature. (Girgias)

- POSIX:
  . Added POSIX_SC_OPEN_MAX constant to get the number of file descriptors
    a process can handle. (David Carlier)
  . posix_ttyname() sets last_error to EBADF on invalid file descriptors,
    posix_isatty() raises E_WARNING on invalid file descriptors,
    posix_fpathconf checks invalid file descriptors. (David Carlier)
  . posix_kill and posix_setpgid throws a ValueError on invalid process_id.
    (David Carlier)
  . posix_setpgid throws a ValueError on invalid process_group_id,
    posix_setrlimit throws a ValueError on invalid soft_limit and hard_limit
    arguments. (David Carlier)

- Random:
  . Moves from /dev/urandom usage to arc4random_buf on Haiku. (David Carlier)

- Reflection:
  . Added ReflectionConstant::getExtension() and ::getExtensionName().
    (DanielEScherzer)
  . Added ReflectionProperty::getMangledName() method. (alexandre-daubois)
  . ReflectionConstant is no longer final. (sasezaki)
  . The setAccessible() methods of various Reflection objects have been
    deprecated, as those no longer have an effect. (timwolla)
  . ReflectionClass::getConstant() for constants that do not exist has been
    deprecated. (DanielEScherzer)
  . ReflectionProperty::getDefaultValue() for properties without default values
    has been deprecated. (DanielEScherzer)
  . Fixed bug GH-12856 (ReflectionClass::getStaticPropertyValue() returns UNDEF
    zval for uninitialized typed properties). (nielsdos)
  . Fixed bug GH-15766 (ReflectionClass::__toString() should have better output
    for enums). (DanielEScherzer)
  . Fix GH-19691 (getModifierNames() not reporting asymmetric visibility).
    (DanielEScherzer)
  . Fixed bug GH-17927 (Reflection: have some indication of property hooks in
    `_property_string()`). (DanielEScherzer)
  . Fixed bug GH-19187 (ReflectionNamedType::getName() prints nullable type when
    retrieved from ReflectionProperty::getSettableType()). (ilutov)
  . Fixed bug GH-20217 (ReflectionClass::isIterable() incorrectly returns true
    for classes with property hooks). (alexandre-daubois)

- SAPI:
  . Fixed bug GH-18582 and #81451: http_response_code() does not override the
    status code generated by header(). (ilutov, Jakub Zelenka)

- Session:
  . session_start() throws a ValueError on option argument if not a hashmap
    or a TypeError if read_and_close value is not compatible with int.
    (David Carlier)
  . Added support for partitioned cookies. (nielsdos)
  . Fix RC violation of session SID constant deprecation attribute. (ilutov)
  . Fixed GH-19197: build broken with ZEND_STRL usage with memcpy
    when implemented as macro. (David Carlier)

- SimpleXML:
  . Fixed bug GH-12231 (SimpleXML xpath should warn when returning other return
    types than node lists). (nielsdos)

- SNMP:
  . snmpget, snmpset, snmp_get2, snmp_set2, snmp_get3, snmp_set3 and
    SNMP::__construct() throw an exception on invalid hostname, community
    timeout and retries arguments. (David Carlier)

- SOAP:
  . Added support for configuring the URI parser for SoapClient::__doRequest()
    as described in https://wiki.php.net/rfc/url_parsing_api#plugability.
    (kocsismate)
  . Implement request #55503 (Extend __getTypes to support enumerations).
    (nielsdos, datibbaw)
  . Implement request #61105 (Support Soap 1.2 SoapFault Reason Text lang
    attribute). (nielsdos)
  . Fixed bug #49169 (SoapServer calls wrong function, although "SOAP action"
    header is correct). (nielsdos)
  . Fix namespace handling of WSDL and XML schema in SOAP,
    fixing at least GH-16320 and bug #68576. (nielsdos)
  . Fixed bug #70951 (Segmentation fault on invalid WSDL cache). (nielsdos)
  . Fixed bug GH-19773 (SIGSEGV due to uninitialized soap_globals->lang_en).
    (nielsdos, KaseyJenkins)
  . Fixed bug GH-19226 (Segfault when spawning new thread in soap extension).
    (Florian Engelhardt)

- Sockets:
  . Added IPPROTO_ICMP/IPPROTO_ICMPV6 to create raw socket for ICMP usage.
    (David Carlier)
  . Added TCP_FUNCTION_BLK to change the TCP stack algorithm on FreeBSD.
    (David Carlier)
  . Added IP_BINDANY for a socket to bind to any address. (David Carlier)
  . Added SO_BUSY_POOL to reduce packets poll latency. (David Carlier)
  . Added UDP_SEGMENT support to optimise multiple large datagrams over UDP
    if the kernel and hardware supports it. (David Carlier)
  . Added SHUT_RD, SHUT_WR and SHUT_RDWR constants for socket_shutdown().
    (David Carlier)
  . Added TCP_FUNCTION_ALIAS, TCP_REUSPORT_LB_NUMA, TCP_REUSPORT_LB_NUMA_NODOM,
    TCP_REUSPORT_LB_CURDOM, TCP_BBR_ALGORITHM constants.
  . socket_set_option() catches possible overflow with SO_RCVTIMEO/SO_SNDTIMEO
    with timeout setting on windows. (David Carlier)
  . socket_create_listen() throws an exception on invalid port value.
    (David Carlier)
  . socket_bind() throws an exception on invalid port value.
    (David Carlier)
  . socket_sendto() throws an exception on invalid port value.
    (David Carlier)
  . socket_addrinfo_lookup throws an exception on invalid hints value types.
    (David Carlier)
  . socket_addrinfo_lookup throws an exception if any of the hints value
    overflows. (David Carlier)
  . socket_addrinfo_lookup throws an exception if one or more hints entries
    has an index as numeric. (David Carlier)
  . socket_set_option with the options MCAST_LEAVE_GROUP/MCAST_LEAVE_SOURCE_GROUP
    will throw an exception if its value is not a valid array/object.
    (David Carlier)
  . socket_getsockname/socket_create/socket_bind handled AF_PACKET family socket.
    (David Carlier)
  . socket_set_option for multicast context throws a ValueError
    when the socket family is not of AF_INET/AF_INET6 family. (David Carlier)

- Sodium:
  . Fix overall theoretical overflows on zend_string buffer allocations.
    (David Carlier/nielsdos)

- SPL:
  . Fixed bug GH-20101 (SplHeap/SplPriorityQueue serialization
    exposes INDIRECTs). (nielsdos)
  . Improve __unserialize() hardening for SplHeap/SplPriorityQueue. (nielsdos)
  . Deprecate ArrayObject and ArrayIterator with objects. (Girgias)
  . Unregistering all autoloaders by passing the spl_autoload_call() function
    as a callback argument to spl_autoload_unregister() has been deprecated.
    Instead if this is needed, one should iterate over the return value of
    spl_autoload_functions() and call spl_autoload_unregister() on each
    value. (Girgias)
  . The SplObjectStorage::contains(), SplObjectStorage::attach(), and
    SplObjectStorage::detach() methods have been deprecated in favour of
    SplObjectStorage::offsetExists(), SplObjectStorage::offsetSet(), and
    SplObjectStorage::offsetUnset() respectively. (Girgias)

- Sqlite:
  . Added Sqlite3Stmt::busy to check if a statement is still being executed.
    (David Carlier)
  . Added Sqlite3Stmt::explain to produce an explain query plan from
    the statement. (David Carlier)
  . Added Sqlite3Result::fetchAll to return all results at once from a query.
    (David Carlier)

- Standard:
  . Add HEIF/HEIC support to getimagesize. (Benstone Zhang)
  . Added support for partitioned cookies. (nielsdos)
  . Implement #71517 (Implement SVG support for getimagesize() and friends).
    (nielsdos)
  . Implement GH-19188: Add support for new INI mail.cr_lf_mode.
    (alexandre-daubois)
  . Optimized PHP html_entity_decode function. (Artem Ukrainskiy)
  . Minor optimization to array_chunk(). (nielsdos)
  . Optimized pack(). (nielsdos, divinity76)
  . Fixed crypt() tests on musl when using --with-external-libcrypt
    (Michael Orlitzky).
  . Fixed bug GH-18062 (is_callable(func(...), callable_name: $name) for first
    class callables returns wrong name). (timwolla)
  . Added array_first() and array_last(). (nielsdos)
  . Fixed bug GH-18823 (setlocale's 2nd and 3rd argument ignores strict_types).
    (nielsdos)
  . Fixed exit code handling of sendmail cmd and added warnings.
    (Jesse Hathaway)
  . Fixed bug GH-18897 (printf: empty precision is interpreted as precision 6,
    not as precision 0). (nielsdos)
  . Fixed bug GH-20257 (mail() heap overflow with an empty message in lf mode).
    (David Carlier)
  . Fixed bug GH-20201 (AVIF images misdetected as HEIF after introducing HEIF
    support in getimagesize()). (nielsdos)
  . Fixed bug GH-19926 (reset internal pointer earlier while splicing array
    while COW violation flag is still set). (alexandre-daubois)
  . Fixed bug GH-19801 (leaks in var_dump() and debug_zval_dump()).
    (alexandre-daubois)
  . Fixed GH-14402 (SplPriorityQueue, SplMinHeap, and SplMaxHeap lost their
    data on serialize()). (alexandre-daubois)
  . Fixed GH-19610 (Deprecation warnings in functions taking as argument).
    (Girgias)
  . Fixed bug GH-19577 (Avoid integer overflow when using a small offset
    and PHP_INT_MAX with LimitIterator). (alexandre-daubois)
  . Fixed bug GH-19153 (#[\Attribute] validation should error on
    trait/interface/enum/abstract class). (DanielEScherzer)
  . Fixed bug GH-19070 (setlocale($type, NULL) should not be deprecated).
    (nielsdos)
  . Fixed bug GH-16649 (UAF during array_splice). (alexandre-daubois)
  . Passing strings which are not one byte long to ord() is now deprecated.
    (Girgias)
  . Passing integers outside the interval [0, 255] to chr() is now deprecated.
    (Girgias)
  . The socket_set_timeout() alias function has been deprecated. (timwolla)
  . Passing null to readdir(), rewinddir(), and closedir() to use the last
    opened directory has been deprecated. (Girgias)

- Streams:
  . Fixed bug GH-16889 (stream_select() timeout useless for pipes on Windows).
    (cmb)
  . Fixed bug GH-19798: XP_SOCKET XP_SSL (Socket stream modules): Incorrect
    condition for Win32/Win64. (Jakub Zelenka)
  . Fixed bug GH-14506 (Closing a userspace stream inside a userspace handler
    causes heap corruption). (nielsdos)
  . Avoid double conversion to string in php_userstreamop_readdir(). (nielsdos)

- Tests:
  . Allow to shuffle tests even in non-parallel mode. (dhuang00)

- Tidy:
  . tidy::__construct/parseFile/parseString methods throw an exception if
    the configuration argument is invalid. (David Carlier)
  . Fixed GH-19021 (improved tidyOptGetCategory detection).
    (arjendekorte, David Carlier, Peter Kokot)

- Tokenizer:
  . Fixed bug GH-19507 (Corrupted result after recursive tokenization during
    token_get_all()). (kubawerlos, nielsdos, Arnaud)

- Windows:
  . Fixed bug GH-10992 (Improper long path support for relative paths). (cmb,
    nielsdos)
  . Fixed bug GH-16843 (Windows phpize builds ignore source subfolders). (cmb)
  . Fix GH-19722 (_get_osfhandle asserts in debug mode when given a socket).
    (dktapps)

- XML:
  . The xml_parser_free() function has been deprecated. (DanielEScherzer)

- XMLWriter:
  . Improved performance and reduce memory consumption. (nielsdos)

- XSL:
  . Implement request #30622 (make $namespace parameter functional). (nielsdos)

- Zlib:
  . gzfile, gzopen and readgzfile, their "use_include_path" argument
    is now a boolean. (David Carlier)
  . Fixed bug GH-16883 (gzopen() does not use the default stream context when
    opening HTTP URLs). (nielsdos)
  . Implemented GH-17668 (zlib streams should support locking). (nielsdos)

- Zip:
  . Fixed missing zend_release_fcall_info_cache on the following methods
    ZipArchive::registerProgressCallback() and ZipArchive::registerCancelCallback()
    on failure. (David Carlier)
