NousResearch/hermes-agent

Fix dropped/blocked concurrent plugin hook invocations

Cluster 98382. Data as of 2026-10-25 11:21 UTC

Nothing open on GitHub. Fix merged in #111177 on 15 Sep 2026. Check it covers your case.

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Known?: Yes. 4 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #111177. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #111177. That is separate from the fix event.
Still open: Nothing open on GitHub.

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These items address a bug where parallel calls to the same plugin hook were incorrectly dropped or blocked, treating healthy concurrent invocations as if they had timed out. The fixes involve serializing overlapping callbacks and scoping gate keys more precisely to allow legitimate concurrent calls.

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Fixes on record

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

#111177 Plugin hook gate keys on the call, so parallel same-tool calls are no longer blocked (#98382, salvage #110470)

merged to main

files: agent/turn_finalizer.py, contributors/emails/[email protected], hermes_cli/plugins.py, hermes_cli/plugins_dispatch.py, hermes_cli/plugins_ledger.py, tests/hermes_cli/test_plugins.py, tools/terminal_tool_result.py

2 PRs closed without merging

From the close comments: done elsewhere 2

#98385 fix(plugins): don't drop healthy concurrent fail-open hook invocations · done elsewhere → 73f808e, #111177, #110470
#104763 fix(plugins): serialize overlapping hook callback fires instead of dropping · done elsewhere → 75e9567, #118844

Closed issues · 1

Closed#98382Concurrent observer-hook invocations are dropped as if a callback had timed out

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Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
Pairwise link density 0.50: 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: #111177
Closed issues: 1
Attempts: 2 PRs closed without merging
Fix link checked: 15 Sep 2026

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