# NousResearch/hermes-agent · Windows file version stat ctime comparison bug

## Open now

- 1 issue, 0 PRs open on GitHub.
- #128639: \[Bug\]: on Windows \`_file_version\` returns None about a third of the time, so read dedup and the write baseline flake

A bug where \`_file_version\` unreliably returns None on Windows due to ctime divergence between \`fstat\` and \`stat\` calls, causing flaky read dedup and write baseline behavior. Fixes standardize snapshot collection to use \`os.stat\` on both sides.

## 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #128639: \[Bug\]: on Windows \`_file_version\` returns None about a third of the time, so read dedup and the write baseline flake

## Prior & competing PRs

- **#128647: fix(file-tools): _file_version no longer compares fstat ctime with stat ctime**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#126623`
- **#129474: fix(file-tools): take _file_version snapshots from os.stat on both sides (Windows ctime divergence)**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `#128647`

## Fix status

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