Time to Bail · Boarding pass
Act. You can stay.
After December 31, 2026 you cannot deploy PHP 8.2 apps on App Engine. They keep serving traffic.[1]
Act means: change a setting or plan before the date. You can stay.
App Engine PHP 8.2 runtime: support ends December 31, 2026
Google ends support for PHP 8.2 on the App Engine standard environment on December 31, 2026. Apps keep running. But you can no longer deploy new versions on it, and it gets no security fixes.
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Or add the date to your calendar: Apple or Outlook (.ics) · Google Calendar
Tick steps as you go. Your progress stays in this browser.
Check the runtime line in each app.yaml, or the runtime of each service and version in the console.
Set runtime to php84 or php85 in app.yaml and update your dependencies.
Deploy each service on the new runtime before December 31, 2026.
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Or add the date to your calendar: Apple or Outlook (.ics) · Google Calendar
| End of support | December 31, 2026[1] |
|---|---|
| Runtime | PHP 8.2 (runtime ID php82) in the App Engine standard environment[1] |
| After end of support | Your app keeps running and serving traffic, but you can no longer create or update it on this runtime[2] |
| Security fixes | Google no longer applies security updates or patches to the runtime[2] |
| Exception | An organization policy can re-enable deployments until the runtime is deprecated[2] |
| Deprecated | December 31, 2027[1] |
| Can the dates change? | Google says key dates might be delayed[1] |
| Newer runtimes | php83 ends support December 31, 2027, php84 December 31, 2028, php85 December 31, 2029[1] |
| Apps on PHP 8.2 | Cannot be deployed again after December 31, 2026 without an exception[1] |
Your PHP 8.2 app still runs and serves traffic. But you cannot create or update it on this runtime any more. Google sends no more security fixes for it.
runtime: in app.yaml to php84 or php85.Source: [1] App Engine standard environment support schedule (Google Cloud) · [2] App Engine runtime lifecycle (Google Cloud)
Check it yourself. Every fact above links here.
Time to bail on App Engine apps on PHP 8.2? Act. You can stay. After December 31, 2026 you cannot deploy PHP 8.2 apps on App Engine. They keep serving traffic.
On our scale this is Act: change a setting or plan before the date. You can stay.
Google ends support for PHP 8.2 on the App Engine standard environment on December 31, 2026. Apps keep running. But you can no longer deploy new versions on it, and it gets no security fixes.
Here are the facts we checked:
You can stay on App Engine. You have to change a setting or plan before the date.
Leaving is a choice here, not a must.
Google Cloud is the main source for this page. App Engine has not said more than what is listed here. If a fact is not on this page, we do not know it yet.
Apps on PHP 8.2: Cannot be deployed again after December 31, 2026 without an exception.
The date to remember is December 31, 2026. Make the change before then.
A few tips:
If the change affects your members or team, send one short email. Say what changes for them and when. Put the most important line first.
If there is a date, send a short reminder a few days before it. Keep a copy of the list you sent it to.
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Arrivals · for builders
People on App Engine apps on PHP 8.2 can stay if they make the change. Some would rather leave. Get the playbook for this change, and list your product here.
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