NousResearch/hermes-agent

undo/retry broken after turns with no assistant reply

Cluster 115493. Data as of

Nothing open on GitHub. Fix merged in #116975 on 20 Sep 2026. Check it covers your case.

The short answer

0open issues
0open PRs
4items grouped
Known?
Yes. 4 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #116975. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #116975. That is separate from the fix event.
Still open
Nothing open on GitHub.

A bug where /undo and /retry become permanently unavailable after a turn that receives no assistant reply. Multiple fix attempts address rewind logic interacting with history state and in-memory merges.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #116975 fix(state): /undo and /retry work again after a turn that got no reply (#115493, salvage #115511)

    merged to main

    files: hermes_state_rewind.py, tests/gateway/test_undo_rewind_session.py, tests/hermes_state/test_rewind_surfaces_invariant.py

2 PRs closed without merging

From the close comments: done elsewhere 1 · superseded by another PR 1

  • #115503 fix(state): rewind sees through an in-memory user-merge before the history guard · superseded by another PR → #115511
  • #115511 fix(state): align rewind with repaired alternation on unanswered turns (#115493) · done elsewhere → ad01b93, #116975, #115493, #115511
Closed issues · 1
  • Closed#115493[Bug]: /undo and /retry are dead for the rest of a session after a turn ends with no assistant reply ("session history changed before the rewind could be persisted")
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Merged PRs
#116975
Closed issues
1
Attempts
2 PRs closed without merging
Fix link checked
20 Sep 2026

For your agent

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