# NousResearch/hermes-agent · Matrix connector reply_to parameter name bug

## Open now

- Nothing open on GitHub.

These issues and pull requests concern an incorrect parameter name used when constructing a Matrix MessageEvent, specifically around the reply_to vs reply_to_message_id field. Multiple fixes and a bug report address the same naming discrepancy in the Matrix connector.

## TL;DR

- 5 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 3 PR(s) closed without merging.
- A fix was merged to main in PR #1895. Verify it addresses your case.
- **Recommended:** read PR #1895 (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-1895`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.40`: 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

- #1842: \[Bug\]: Incorrect parameter name in Matrix connector MessageEvent construction

## Prior & competing PRs

- **#1846: fix(matrix): correct reply_to parameter name to reply_to_message_id in MessageEvent**. closed without merge · fix tier `suggested`
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#1895: fix(matrix): use correct reply_to_message_id parameter name**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`; implication `superseded`
  - files: `gateway/platforms/matrix.py`
- **#1848: fix: correct reply_to param name in Matrix MessageEvent construction**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `#1895`
- **#1885: fix(matrix): use correct reply_to_message_id parameter name**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#1895`

## Fix status

- Merged to main in PR #1895 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-03-18`. This confirmation is old and may be out of date (a revert/reopen would not have invalidated it here); re-verify.
- Subsystem: `gateway`