# NousResearch/hermes-agent · Desktop loses optimistic messages during mid-send resync

## Open now

- Nothing open on GitHub.

A bug where un-acknowledged optimistic messages are dropped when a resync occurs while a send is in progress, with fixes targeting unguarded merge sites on desktop.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #116896. Verify it addresses your case.
- **Recommended:** read PR #116896 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-116896`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Closed / duplicate issues

- #115083: \[Bug\]: Desktop loses an un-acked optimistic message when a resync lands mid-send (three unguarded merge sites)

## Prior & competing PRs

- **#116896: fix(desktop): an un-acked optimistic message survives a resync that lands mid-send (#115083, salvage #115085)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/src/app/contrib/hooks/use-background-sync.test.ts`, `apps/desktop/src/app/contrib/hooks/use-background-sync.ts`, `apps/desktop/src/app/contrib/wiring.tsx`, `apps/desktop/src/app/settings/vault-settings.owner.test.tsx`, `contributors/emails/[redacted:email]`
- **#115085: fix(desktop): keep un-acked optimistic messages across a resync**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `8a0c91f39236`, `#116896`, `#115083`, `#115085`

## Fix status

- Merged to main in PR #116896 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-20`.