Coding agents just learned the parallel-branch trick. codex cli 0.154.0 lets you fork a task into…
coding agents just learned the parallel-branch trick. codex cli 0.154.0 lets you fork a task into its own git worktree, browse and resume it, and keep answering questions in the main branch while the agent keeps working.
the reviewer no longer has to wait for the agent to finish.
Context
The Codex CLI release rust-v0.154.0, published 9 September 2026, says experimental worktree support lets you create isolated checkouts for new or forked sessions using --worktree or /worktree, then browse and resume them, and that you can answer questions inline while Codex continues working. A changelog mirror agrees.
The release labels worktree support experimental. Keep answering questions in the main branch is a loose reading of answer questions inline, which the release does not say happens on another branch. The release is dated 9 September, before the note. That the reviewer no longer has to wait is the author's thesis.
Watch next
- Whether the experimental label is dropped, and other tools' worktree support.
Sources
- Codex CLI rust-v0.154.0 release (GitHub)github.com
- Codex 0.154.0 (changelog mirror)changelogs.directory
Provenance
The note above is reproduced unedited from the original post, first published on Threads on 20 September 2026 at 07:11 IST. Sources are the papers and datasets the note draws on.
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