Codex Web creates empty branches in repositories with required signed commits

Hello, support codex codex-cloud codex-web

We are seeing a reproducible issue with Codex Web in repositories that require signed or verified commits.

What we tested

  • Configured commit signing in the Codex Web environment.
  • Confirmed local signed commits can be created inside the runtime.
  • Ran multiple small change tasks using the built-in Codex Web GitHub flow.
  • Compared this against another repository context where Codex Web completes successfully.

What happens

  • Codex Web creates a branch in GitHub.
  • But the branch is empty and remains identical to the base branch.
  • The commit created inside the runtime is not published to the remote branch.
  • As a result, there is no usable branch state for a pull request.

Important context

  • We did not use a personal GitHub token or manual push workaround.
  • We are testing the built-in Codex Web behavior only.
  • The problem appears specifically in repositories with strict signed/verified commit requirements.

Questions

  • Is this a known limitation or a bug?
  • Are repositories with required signed commits officially supported for Codex Web write/publish flows?
  • Which repository or organization policies can cause Codex Web to create an empty branch without publishing the commit?

We need a clear technical answer, because the behavior is reproducible but not clearly documented.