Patch tool fuzzy matching editing wrong region concerns
Cluster 54572 · agent. Data as of
2 open items. Fix merged in #137288 on 12 Oct 2026. Check it covers your case.
The short answer
- Known?
- Yes. 4 related items grouped here, 0 issues already closed.
- Fix event
- A fix was merged to main in PR #137288. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
unresolved. That is separate from the fix event. - Still open
- 1 issue and 1 PR.
Next step: read #137288, then check whether your report is the one still open.
Read #137288Pick up a Lab taskMembers appear to center on the patch tool's replace mode, including a report that it can edit the wrong region when old_string is not an exact match, and changes touching fuzzy-match fallback behavior and patch matching. One member also mentions a write-file verification warning, which may be a related but separate aspect.
Open issues1
- Issue#54572patch tool (replace mode) can edit the wrong region when old_string is not an exact match
Open PRs1
- PR#54575fix(patch): reject wrong-region matches in the fuzzy edit fallback
Fixes on record
-
#137288 fix(tools): patch matching fixes from NVIDIA batch (#128006, #128020, #128138)
files:
tests/tools/test_escape_drift_autocorrect.py,tests/tools/test_file_tools_live.py,tests/tools/test_fuzzy_match.py,tools/escape_drift_autocorrect.py,tools/file_operations.py,tools/fuzzy_match.py,tools/patch_parser.py,tools/skill_manager_tool.py
1 PR closed without merging
From the close comments: merged via another change 1
-
#128138 fix(tools): patch writefile verification warning · merged via another change →
#137288
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.50: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- agent
- Merged PRs
- #137288
- Closed issues
- 0
- Attempts
- 1 PR closed without merging
- Fix link checked
- 12 Oct 2026