# NousResearch/hermes-agent · browser_console CDP crash fixes and performance work

## Open now

- Nothing open on GitHub.

These members address crashes in browser_console caused by CDP DOM-node serialization errors (e.g. 'Object reference chain is too long') and include a performance change routing eval through a persistent CDP WebSocket connection.

## 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 #35385. Verify it addresses your case.
- **Recommended:** read PR #35385 (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: `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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Closed / duplicate issues

- #35306: \[Bug\]: browser_console crashes with CDP "Object reference chain is too long" when returning DOM Elements

## Prior & competing PRs

- **#35385: fix(browser): recover from CDP DOM-node serialization crash in browser_console**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `tests/tools/test_browser_eval_supervisor_path.py`, `tools/browser_supervisor.py`, `tools/browser_tool.py`
- **#35310: fix(browser): guard browser_console against CDP crash on DOM element returns**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#35385`

## Fix status

- Merged to main in PR #35385 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-05-30`.
- Subsystem: `environments`