# NousResearch/hermes-agent · ACP hang fixes: stdin and prefetch timeouts

## Open now

- 1 issue, 0 PRs open on GitHub.
- #50765: \[Bug\]:  ACP \`session/prompt\` hangs after \`conversation turn\` on Windows — 0.17.0 regression; 0.16.0 works

These items address ACP session hangs caused by stdin attachment in probes and unbounded prefetch operations. Includes a Windows-specific regression report for session/prompt hanging after a conversation turn.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 0 open PR(s), 0 merged PR(s), 2 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member 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.

## Open related issues

- #50765: \[Bug\]:  ACP \`session/prompt\` hangs after \`conversation turn\` on Windows — 0.17.0 regression; 0.16.0 works

## Prior & competing PRs

- **#50800: fix(memory): bound prefetch_all() per-provider with a timeout to prevent ACP hang**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `d77c455d7`, `8d1c96fd2`
- **#67499: fix(acp): detach stdin from ACP probes to avoid stdio hang**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`

## Fix status

- No merged fix on record.
- Subsystem: `acp`