[BUG] Deployment succeeds but action fails with: "supplied version is the current active version"

[swet-s]

Workflow:

• uses: FirebaseExtended/action-hosting-deploy@v0

Observed behavior:

1. Hosting version is created successfully
2. Files upload successfully
3. Version is finalized successfully
4. Site updates correctly
5. Action exits with code 1

Error:

FAILED_PRECONDITION

Can't release to
projects/-/sites/slide-cube-3/channels/live:

supplied version
projects/.../versions/xxxxxxxx
is the current active version

Expected behavior:

If the version is already active, the action should either:

• treat it as success, or
• treat it as a no-op deployment,
  instead of failing the workflow.

firebase-tools version:
15.22.3

[elephantum]

We observe the same exact issue

[tuesd4y]

We have the same issue, although it's not happening on all runs.

Also note that this is not specific to live channels, but also happens for custom-named and auto-generated preview channels, e.g.

2026-06-29T16:11:43.544Z] Error Context: ***
    "body": ***
      "error": ***
        "code": 400,
        "message": "Can't release to `projects/-/sites/*****/channels/prXYZ`: supplied version `projects/*****/sites/*****/versions/*****` is the current active version.",
        "status": "FAILED_PRECONDITION"
      ***
    ***,
    "response": ***
      "statusCode": 400
    ***
  ***