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NousResearch/hermes-agent

Concurrent session resumes losing completed replies

Cluster 84234 · agent. Data as of

Nothing open on GitHub. Fix merged in #86383 on 14 Aug 2026. Check it covers your case.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #86383. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #86383. That is separate from the fix event.
Still open
Nothing open on GitHub.

These items address a race condition where concurrent resumes on the same session can silently discard completed turns or replies, particularly involving compression lease timing across processes.

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.

  • #86383 fix(sessions): prevent concurrent resumes from losing completed replies

    merged to main

    files: agent/turn_finalizer.py, hermes_state.py, hermes_state_common.py, run_agent.py, tests/run_agent/test_cross_process_turn_lease.py, tests/run_agent/test_turn_completion_explainer.py, tests/state/test_compression_lineage_guard.py, tests/state/test_session_turn_lease.py

1 PR closed without merging

From the close comments: other 1

  • #84287 fix(sessions): prevent concurrent resumes from losing completed replies · other → 6e929a9, 3b09456, 5e2be43, c21efee, f1025b2, 19b1204, 967391c, 6b25e67, d729019
Closed issues · 1
  • Closed#84234Cross-process concurrent turns on same session: long compression lease silently discards completed turns
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 1.00: 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

Subsystem
agent
Merged PRs
#86383
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
14 Aug 2026

For your agent

The same facts, typed.

cluster/84234.json
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