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This page provides key dates for App Engine standard environment language runtimes as described in the Runtime lifecycle page.
Based on qualification and stability of releases, availability and key dates might be delayed. Revisit this page to stay up to date.
Go Runtime Environment Runtime ID End of support Deprecated Decommissioned Go 1.25 (Preview) Ubuntu 22.04go125 Go 1.24 Ubuntu 22.04 go124 Go 1.23 Ubuntu 22.04 go123 Go 1.22 Ubuntu 22.04 go122 2026-07-28 2027-07-28 Go 1.21 Ubuntu 22.04 go121 2026-03-03 2027-03-03 Go 1.20 Ubuntu 22.04 go120 2024-11-01 2025-11-01 Go 1.19 Ubuntu 22.04 go119 2024-04-30 2025-04-30 Go 1.18 Ubuntu 22.04 go118 2024-01-30 2025-01-31 Go 1.16 Ubuntu 18.04 go116 2024-01-30 2025-01-31 Go 1.15 Ubuntu 18.04 go115 2024-01-30 2025-01-31 Go 1.14 Ubuntu 18.04 go114 2024-01-30 2025-01-31 Go 1.13 Ubuntu 18.04 go113 2024-01-30 2025-01-31 Go 1.12 Ubuntu 18.04 go112 2024-01-30 2025-01-31 Go 1.11 Ubuntu 18.04 (App Engine first-generation) go111 2024-01-30 2026-01-31 Note: Go's release policy states that each major Go release is supported until there are two newer major releases. Key dates might not be available until newer versions of Go are made publicly available. Java Runtime Environment Runtime ID End of support Deprecated Decommissioned Java 21 Ubuntu 22.04 java21 Oct 2031 Java 17 Ubuntu 22.04 java17 Oct 2027 Java 11 Ubuntu 18.04 java11 2024-10-31 2025-10-31 Java 8 App Engine first-generation java8 2024-01-311 2026-01-31 Node.js Runtime Environment Runtime ID End of support Deprecated Decommissioned Node.js 24 (Preview only) Ubuntu 24.04 nodejs24 Node.js 22 Ubuntu 22.04 nodejs22 2027-04-30 2028-04-30 Node.js 20 Ubuntu 22.04 nodejs20 2026-04-30 2027-04-30 Node.js 18 Ubuntu 22.04 nodejs18 2025-04-30 2026-04-30 Node.js 16 Ubuntu 18.04 nodejs16 2024-01-30 2025-01-31 Node.js 14 Ubuntu 18.04 nodejs14 2024-01-30 2025-01-31 Node.js 12 Ubuntu 18.04 nodejs12 2024-01-30 2025-01-31 Node.js 10 Ubuntu 18.04 nodejs10 2024-01-30 2025-01-31 Node.js 8 Ubuntu 18.04 nodejs8 2018-06-27 2019-10-01 Python Runtime Environment Runtime ID End of support Deprecated Decommissioned Python 3.13 Ubuntu 22.04 python313 2029-10-10 2030-10-10 Python 3.12 Ubuntu 22.04 python312 2028-10-02 2029-10-02 Python 3.11 Ubuntu 22.04 python311 2027-10-24 2028-10-24 Python 3.10 Ubuntu 22.04 python310 2026-10-04 2027-10-01 Python 3.9 Ubuntu 18.04 python39 2025-10-05 2026-10-01 Python 3.8 Ubuntu 18.04 python38 2024-10-14 2025-10-01 Python 3.7 Ubuntu 18.04 python37 2024-01-30 2025-01-31 Python 2.7 App Engine first-generation python27 2024-01-311 2026-01-31 PHP Runtime Environment Runtime ID End of support Deprecated Decommissioned PHP 8.4 Ubuntu 22.04 php84 2028-12-31 2029-12-31 PHP 8.3 Ubuntu 22.04 php83 2027-12-31 2028-12-31 PHP 8.2 Ubuntu 22.04 php82 2026-12-31 2027-12-31 PHP 8.1 Ubuntu 18.04 php81 2025-12-31 2026-12-31 PHP 7.4 Ubuntu 18.04 php74 2024-01-30 2025-01-31 PHP 7.3 Ubuntu 18.04 php73 2024-01-30 2025-01-31 PHP 7.2 Ubuntu 18.04 php72 2024-01-30 2025-01-31 PHP 5.5 App Engine first-generation php55 2024-01-301 2026-01-31 Ruby Runtime Environment Runtime ID End of support Deprecated Decommission Ruby 3.4 Ubuntu 22.04 ruby34 2028-03-31 2029-03-31 Ruby 3.3 Ubuntu 22.04 ruby33 2027-03-31 2028-03-31 Ruby 3.2 Ubuntu 22.04 ruby32 2026-03-31 2027-03-31 Ruby 3.0 Ubuntu 18.04 ruby30 2024-03-31 2025-03-31 Ruby 2.7 Ubuntu 18.04 ruby27 2024-01-30 2025-01-31 Ruby 2.6 Ubuntu 18.04 ruby26 2024-01-30 2025-01-31 Ruby 2.5 Ubuntu 18.04 ruby25 2024-01-30 2025-01-31
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-07 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["This page lists the key dates for supported language runtimes in the App Engine standard environment, including their end-of-support, deprecation, and decommission timelines."],["Go runtimes from versions 1.11 to 1.20, Java 8 and 11, Node.js runtimes 10, 12, 14, 16, Python runtimes 2.7 and 3.7-3.8, PHP runtimes 5.5 and 7.2-7.4, and Ruby 2.5-2.7 all have end-of-support dates in 2024."],["The latest language versions such as Go 1.21-1.23, Java 17-21, Node.js 18-22, Python 3.9-3.12, PHP 8.1-8.3, and Ruby 3.0-3.3, are currently supported."],["Older runtimes such as Go 1.11, Java 8, Node.js 8, Python 2.7, and PHP 5.5, are considered first-generation App Engine and have varying deprecation and decommission dates."],["The availability and key dates for runtimes might be subject to changes based on release stability and qualifications, so it is best to revisit the page for the most current information."]]],[]]
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