What changed
Time to bail on Cloud Run functions on Go 1.24? Act. You can stay. After March 2, 2027, Go 1.24 functions cannot be created or updated, and may be disabled.
On our scale this is Act: change a setting or plan before the date. You can stay.
Google decommissions the Go 1.24 runtime (go124) for Cloud Run functions on March 2, 2027. After that you cannot create or update these functions, and they may be disabled.
Here are the facts we checked:
- Decommission date: March 2, 2027 (Google Cloud)
- Runtime: Go 1.24, runtime ID go124 (Cloud Run functions) (Google Cloud)
- Deprecated since: September 2, 2026 (Google Cloud)
- After decommission: You can no longer create new workloads or update existing ones on the runtime (Google Cloud)
- If you do nothing: Functions that stay on a decommissioned runtime may be disabled (Google Cloud)
- Cloud Run source deploys: The go124 runtime on Cloud Run has the same dates (Google Cloud)
- Can the dates change?: Google says key dates might be delayed (Google Cloud)
- Next Go runtime: Go 1.25: decommissioned April 1, 2027 (Google Cloud)
- Go version policy: Each Go release is supported until there are two newer major releases, so dates can move (Google Cloud)
- Newer runtimes: Go 1.26 (go126) dates are approximate (deprecated Feb/March 2027); Go 1.27 (go127) deprecated Aug/Sept 2027 (Google Cloud)
- Functions still on Go 1.24: Cannot be updated after March 2, 2027 and may be disabled (Google Cloud)
You can stay on Cloud Run functions. 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. Cloud Run functions has not said more than what is listed here. If a fact is not on this page, we do not know it yet.
Who is affected
Functions still on Go 1.24: Cannot be updated after March 2, 2027 and may be disabled.
The date to remember is March 2, 2027. Make the change before then.
What to do before March 2
- Find functions on Go 1.24. In the console, check the runtime of each function. Note every one on go124.
- Change the runtime. Set the runtime to go126 or go127 and update your dependencies.
- Deploy each function again. Deploy and test every function before March 2, 2027.
A few tips:
- Make the change yourself before the date. Do not wait for the last reminder email.
- Write down your current plan or settings first, so you can compare after the change.
- After the change, open your settings again and check that it worked.
How to tell your users
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.
Options people mention
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Sources