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 | Decommission |
|---|---|---|---|---|---|
| Go 1.22 | Ubuntu 22.04 | go122 |
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| Go 1.21 | Ubuntu 22.04 | go121 |
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| 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 |
Java
| Runtime | Environment | Runtime ID | End of support | Deprecated | Decommission |
|---|---|---|---|---|---|
| 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 | Decommission |
|---|---|---|---|---|---|
| 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 | Decommission |
|---|---|---|---|---|---|
| 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 | Decommission |
|---|---|---|---|---|---|
| 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 3.3 | 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 |
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Deployments for legacy runtimes can be re-enabled using an organization policy ↩