# NousResearch/hermes-agent · Windows 11 OS detection fixes in system prompt

## Open now

- 0 issues, 2 PRs open on GitHub.
- PR #51772: fix(prompt): report Windows 11 instead of Windows 10 in environment hints
- PR #52029: fix(prompt): report Windows 11 host builds

Multiple fixes addressing incorrect Windows version reporting, where Windows 11 hosts were being identified as Windows 10 in system prompts and environment hints. Changes use build number detection to correctly distinguish Windows 11.

## TL;DR

- 5 member(s): 0 open issue(s), 1 closed issue(s), 2 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #84419. Verify it addresses your case.
- **Recommended:** read PR #84419 (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-84419`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #51755: System prompt reports Windows (10) on Windows 11 hosts

## Prior & competing PRs

- **#84419: fix: Windows agent-loop papercuts — path splitting, skill hashing, autocomplete, screenshots, OS detection**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/prompt_builder.py`, `agent/shell_hooks.py`, `hermes_cli/_subprocess_compat.py`, `hermes_cli/commands.py`, `hermes_cli/console_engine.py`, `tests/tools/test_windows_agent_loop_papercuts.py`, `tools/browser_use_cli.py`, `tools/skills_guard.py`, `tools/skills_hub.py`
- **#51772: fix(prompt): report Windows 11 instead of Windows 10 in environment hints**. open
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`
  - files: `agent/prompt_builder.py`, `tests/agent/test_prompt_builder.py`
- **#51774: fix(agent): detect Windows 11 by build number in system prompt**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#51772`, `#50653`, `#51755`
- **#52029: fix(prompt): report Windows 11 host builds**. open
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#51772`, `#51774`, `#50653`, `#51755`
  - files: `agent/prompt_builder.py`, `tests/agent/test_prompt_builder.py`

## Fix status

- Merged to main in PR #84419 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-12`.
- Subsystem: `agent`