Pre-Release Builds

This page contains links to the Pre-release builds that the release managers create before each actual release. These builds are meant for the community to test whether no inadvertent changes have been made, and whether no regressions have been introduced.

Source Builds

PHP 8.5.1RC1

php-8.5.1RC1.tar.bz2 05 Dec 2025 68dc259fa0e2accfef827acb304eef137c65441382ea56bbf4e58c438c4fe155
php-8.5.1RC1.tar.gz 05 Dec 2025 b328792a6ebe2b5bfb9e1d616cea40ab9c6d8b13e141fda2bf511ca6d49a6ce1
php-8.5.1RC1.tar.xz 05 Dec 2025 67ea20de4c3038df65ac4d1521bd05a8752aeb79c6e65340410e1f71a599e56e

PHP 8.4.16RC1

php-8.4.16RC1.tar.bz2 04 Dec 2025 e6c3a8b14d3b83d1c7870a2785fa52b018a47e99fbca928133fb5db83b45d0f5
php-8.4.16RC1.tar.gz 04 Dec 2025 f3c82948de16204e3432a5a26276c67f18b9ee18de3170faebeab6e84e44b33d
php-8.4.16RC1.tar.xz 04 Dec 2025 5a9e95594132d1950ccfe250b519382b0f9c9fdb1831d3b3caa338d5fa55b10c

PHP 8.3.29RC1

php-8.3.29RC1.tar.bz2 04 Dec 2025 b82bc56afcdd406f2f28611612bb51b21805b7cf222c97d6bfa2fdc1918145b0
php-8.3.29RC1.tar.gz 04 Dec 2025 c74b7e27b06ec12e8d1e9e04baac084bd5ff1aff41cc640ab431a7a51eac8914
php-8.3.29RC1.tar.xz 04 Dec 2025 f405920ef2281b47a97bd6972c78917922c9c174e00576791a96f32713696d56

Windows Builds

PHP 8.5.1RC1

Download source code 31.67MB
Download tests package (phpt) 18MB

VS17 x64 Thread Safe

Zip 33.09MB 02 Dec 2025 4275810e6aedb12baedb6768372b5b3f71209f1c74d85a5366614d1b60e23859
Debug Pack 37.79MB 02 Dec 2025 9d356fd052fd9411585d8a6456febcc9629b9bdfa277e00164a05f0289a482bf
Development package (SDK to develop PHP extensions) 1.64MB 02 Dec 2025 6a98182a972a767d2e8a15d176f171ddc7fac46ec69feb2ac6b537b64e5a79d1

VS17 x86 Thread Safe

Zip 29.47MB 02 Dec 2025 61255c2f979864a76e4d848c567b1576731d129e9813edc5684d7789f1d2c1bc
Debug Pack 38.03MB 02 Dec 2025 5a7a5e8497e455fd2ab1acf3a590ee1a4a2fb2ec71633af37c3aa146e672fe8b
Development package (SDK to develop PHP extensions) 1.64MB 02 Dec 2025 e3a96f9aa41f6eab6127037b928fc26746c5d74031a64665ab2d3eb792b51218

VS17 x64 Non Thread Safe

Zip 32.96MB 02 Dec 2025 45b4864a70b4317c21feb74d4d8f808dbdcf5363b5360795367010c7c5f5d7bd
Debug Pack 37.55MB 02 Dec 2025 89fc27d6eaa9e942e2fd2849580a1219957900a30cf61fbf36d42ae7f1265acc
Development package (SDK to develop PHP extensions) 1.64MB 02 Dec 2025 aacfd4db9cbc16eb91192bd48efb42945894f3f22dfe53cfbe4327f82f93e78f

VS17 x86 Non Thread Safe

Zip 29.42MB 02 Dec 2025 ee2606f67319b7bb06e3d8c485a743ef23cbc81163c01e19dc6b490b0c8dfa4f
Debug Pack 38MB 02 Dec 2025 57b10c9cae1d5d731d4de65e7fffe9c1ce530c22d713361ab76d8fb11b6a3711
Development package (SDK to develop PHP extensions) 1.64MB 02 Dec 2025 c215be68f8516e5aed22e6435b53e2dcd4ee7724726f42a8371a997a0a7a2f59

PHP 8.4.16RC1

Download source code 29.57MB
Download tests package (phpt) 17.44MB

VS17 x64 Thread Safe

Zip 32.11MB 03 Dec 2025 0123197768c111ea30d02674662cc2f3986bee0dda51314d4163f505a1cd4735
Debug Pack 36.81MB 03 Dec 2025 e5680f1d8c510c9fd844d65ff486534d3e130ff677f2bcdd804612c8ca151337
Development package (SDK to develop PHP extensions) 1.36MB 03 Dec 2025 d3da5fdab4917872f70a959aaaa54a8255210d857218d830d9d0dd0e9c861d91

VS17 x86 Thread Safe

Zip 28.7MB 03 Dec 2025 e44bab9d7cc3e00bfeb2851511d4bb85d050ffe1ceaa2c2ce9237dec6defee22
Debug Pack 37.37MB 03 Dec 2025 a41a337ca02ad2c5c0203e05ef183df7ef52a3649d72ec04b880fcaf5b676347
Development package (SDK to develop PHP extensions) 1.36MB 03 Dec 2025 14ef4570efaa6a6004bab2775e010cb1a12f306d6d91a2387af5ab4110af8269

VS17 x64 Non Thread Safe

Zip 31.95MB 03 Dec 2025 892c8918f2d1f0e9ecaa880ad6e1eef91ba1a9b00e7be51448bea14325a66921
Debug Pack 36.9MB 03 Dec 2025 520c04580714e17f9f80955ba3eef77ca72d1983b0228dc4222506363e8beb68
Development package (SDK to develop PHP extensions) 1.36MB 03 Dec 2025 ef321c514ceabc4841533a33efcdc3154e62144c738f29eec73be15d11d50f9e

VS17 x86 Non Thread Safe

Zip 28.68MB 03 Dec 2025 668b3465eaf1f038289bab5e18bf34a15161f697230a22c976b46adfd76e4e32
Debug Pack 37.41MB 03 Dec 2025 2f5c64db470afd736659fd67c25a1373b3d86597e91461777ea361d1349c463c
Development package (SDK to develop PHP extensions) 1.36MB 03 Dec 2025 3965d9429e6d095c49429616f28081eba8647ebdc612868464b5faaba29ae6b6

PHP 8.3.29RC1

Download source code 26.74MB
Download tests package (phpt) 16.7MB

VS16 x64 Thread Safe

Zip 30.87MB 02 Dec 2025 992d4eca1cb081e08a0a18af9aa38794d24b01b9e661fa113992ab79984244e9
Debug Pack 30.35MB 02 Dec 2025 d77faad4916594df974e55295763f0b3184161ccd0cbabe122ebda8942f29ff4
Development package (SDK to develop PHP extensions) 1.26MB 02 Dec 2025 5bd35ee92e9d38e5db887b94cbe8520da5cce9b4f752a29f07014eb3d4e9dbcf

VS16 x86 Thread Safe

Zip 27.58MB 02 Dec 2025 ef0d7297523e6758e6d962677ff3466694d31007b6a831fe33c4c85217f954bd
Debug Pack 30.01MB 02 Dec 2025 2efc1dd70c122e6656ddf98bc4d5aa00f846c371bfc89db61d99077e06c5f6fe
Development package (SDK to develop PHP extensions) 1.26MB 02 Dec 2025 be527144a404233ee8890385b7d9e98084679302127a58bdf526150b2b7db9cd

VS16 x64 Non Thread Safe

Zip 30.73MB 02 Dec 2025 5fd83a7118c796dbb01dabf53756be3c09587e5c8baf09da4b3ef2169e855872
Debug Pack 30.31MB 02 Dec 2025 21d28801241b482aca5b4b129b0ecc4cbc8b0d629257923d206a8de297ec4964
Development package (SDK to develop PHP extensions) 1.26MB 02 Dec 2025 2781a266fb7995b455857107e95f3dc3a6c83341e353bfb6b19d12c51dd572b2

VS16 x86 Non Thread Safe

Zip 27.6MB 02 Dec 2025 72de25485dc247007b10fafb4bcff452ae83a764974ce4cb33e9aec22cdb21f9
Debug Pack 30.31MB 02 Dec 2025 f459d9e45e951dabc2a05623efb01477b9745a02058b537705ab3b45f50a8e59
Development package (SDK to develop PHP extensions) 1.26MB 02 Dec 2025 6552bad53cdf0b7fd61704a9259d065597cef4706993a80e00e88e4442af8cc5