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string
repo
string
language
string
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int64
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timestamp[s]
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timestamp[s]
base_commit
string
pr1_head_sha
string
pr2_base_sha
string
pr2_head_sha
string
problem_statement
string
patch
string
test_patch
string
pr1_test_files
string
FAIL_TO_PASS
string
PASS_TO_PASS
string
anticipation_patch
string
anticipation_test_patch
string
anticipation_test_files
string
ANTICIPATION_FAIL_TO_PASS
string
pr2_problem_statement
string
PR2_FAIL_TO_PASS
string
PR2_PASS_TO_PASS
string
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string
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aiohttp__11018-11296
aio-libs/aiohttp
python
11,018
11,296
2025-05-26T06:15:47
2025-07-10T11:41:06
2e554627b4b6e99aef131a90c808ac8a8e6d13bf
ee8f1c414e39001499f03b0a64510a4ae02cbf8e
edf2abd2609a24cf1e7ac76da986af363aebf210
13b20a1b0af87b86816355a9090de191723858fc
"**Title** — [3.12] Support reusable request bodies for redirects, retries, and digest auth\n\n**P(...TRUNCATED)
"diff --git a/CHANGES/11017.feature.rst b/CHANGES/11017.feature.rst\nnew file mode 100644\nindex 000(...TRUNCATED)
"diff --git a/tests/test_client_functional.py b/tests/test_client_functional.py\nindex 29838c39..cb4(...TRUNCATED)
"[\"tests/test_client_functional.py\", \"tests/test_client_middleware.py\", \"tests/test_client_midd(...TRUNCATED)
"[\"tests.test_client_functional::test_buffered_reader_payload_redirect[pyloop]\", \"tests.test_clie(...TRUNCATED)
"[\"tests.test_client_functional::test_204_with_gzipped_content_encoding[pyloop]\", \"tests.test_cli(...TRUNCATED)
"diff --git a/CHANGES/11270.bugfix.rst b/CHANGES/11270.bugfix.rst\nnew file mode 100644\nindex 00000(...TRUNCATED)
"diff --git a/tests/test_client_functional.py b/tests/test_client_functional.py\nindex 08cc5c97..230(...TRUNCATED)
["tests/test_client_functional.py", "tests/test_payload.py"]
"[\"tests.test_client_functional::test_file_upload_301_302_redirect_non_post[pyloop-DELETE-301]\", \(...TRUNCATED)
"**Title** — Fix file uploads failing on 307/308 redirects (and 301/302 for non-POST) due to incor(...TRUNCATED)
"[\"tests.test_client_functional::test_file_upload_301_302_redirect_non_post[pyloop-DELETE-301]\", \(...TRUNCATED)
"[\"tests.test_client_functional::test_204_with_gzipped_content_encoding[pyloop]\", \"tests.test_cli(...TRUNCATED)
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__11018-11296-pr1
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__11018-11296-pr2base
pytest
"uv venv --python 3.10 /opt/venv && apt-get update && apt-get install -y nodejs npm clang && cd /tes(...TRUNCATED)
"/opt/venv/bin/python -m pytest tests/test_client_functional.py tests/test_client_middleware.py test(...TRUNCATED)
major
broken
narrow
silent
false
hard
medium
feature
git_blame
"[{\"role\": \"fixer\", \"kind\": \"pr\", \"number\": 11296, \"author\": \"Dreamsorcerer\", \"url\":(...TRUNCATED)
"[{\"role\": \"fixer\", \"from_pr\": 11296, \"ref_type\": \"closes\", \"number\": 11270, \"url\": \"(...TRUNCATED)
aiohttp__11182-11729
aio-libs/aiohttp
python
11,182
11,729
2025-06-10T04:19:31
2025-10-28T17:09:55
058dced5e7fc2febf07f4ae3bf203e9ca6d4d6a1
a075bd6bb750d7b1eea341c3831b1ed805b336f1
b734e0434731e11360fec74031f3deed02ee4717
95daf0c88c0124cfe87000050efe81be97516d51
"**Title**: Fix Cookie header parsing to honor reserved attribute names as cookies\n\n**Problem** \(...TRUNCATED)
"diff --git a/CHANGES/11178.bugfix.rst b/CHANGES/11178.bugfix.rst\nnew file mode 100644\nindex 00000(...TRUNCATED)
"diff --git a/tests/test_cookie_helpers.py b/tests/test_cookie_helpers.py\nindex 41e3eed8..6deef654 (...TRUNCATED)
["tests/test_cookie_helpers.py", "tests/test_web_request.py"]
["tests.test_web_request::test_request_cookies_with_attributes"]
"[\"tests.test_web_request::test___repr__\", \"tests.test_web_request::test___repr___non_ascii_path\(...TRUNCATED)
"diff --git a/CHANGES/11632.bugfix.rst b/CHANGES/11632.bugfix.rst\nnew file mode 100644\nindex 00000(...TRUNCATED)
"diff --git a/tests/test_cookie_helpers.py b/tests/test_cookie_helpers.py\nindex 575bbe54..577e3156 (...TRUNCATED)
["tests/test_cookie_helpers.py"]
"[\"tests.test_cookie_helpers::test_parse_cookie_gstate_header\", \"tests.test_cookie_helpers::test_(...TRUNCATED)
"**Title** — Fix cookie parsing to continue after malformed cookies\n\n**Problem** \nWhen a cooki(...TRUNCATED)
"[\"tests.test_cookie_helpers::test_parse_cookie_gstate_header\", \"tests.test_cookie_helpers::test_(...TRUNCATED)
"[\"tests.test_cookie_helpers::test_bool_attrs_is_superset_of_morsel_flags\", \"tests.test_cookie_he(...TRUNCATED)
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__11182-11729-pr1
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__11182-11729-pr2base
pytest
"uv venv --python 3.10 /opt/venv && apt-get update && apt-get install -y nodejs npm && cd /testbed &(...TRUNCATED)
"/opt/venv/bin/python -m pytest tests/ --junitxml=/tmp/accept.xml -p no:cacheprovider -v --continue-(...TRUNCATED)
major
broken
narrow
silent
false
easy
medium
bug
git_blame
"[{\"role\": \"fixer\", \"kind\": \"pr\", \"number\": 11729, \"author\": \"codecov[bot]\", \"url\": (...TRUNCATED)
[]
aiohttp__11680-11727
aio-libs/aiohttp
python
11,680
11,727
2025-10-16T18:11:39
2025-10-28T16:03:34
e618dcb5226bb38b997f9558f37700f2d5619452
b2ddca1bca01c9cf69019241593a21f9b72ad138
e6042d2e1248990592cc7e1b4b5dfd2c8da87d2f
b734e0434731e11360fec74031f3deed02ee4717
"**Title** — Fix blocking I/O during netrc authentication lookups\n\n**Problem** — Creating a cl(...TRUNCATED)
"diff --git a/CHANGES/11634.bugfix.rst b/CHANGES/11634.bugfix.rst\nnew file mode 100644\nindex 00000(...TRUNCATED)
"diff --git a/tests/conftest.py b/tests/conftest.py\nindex 2be64078..62efff55 100644\n--- a/tests/co(...TRUNCATED)
"[\"tests/conftest.py\", \"tests/test_client_functional.py\", \"tests/test_client_request.py\", \"te(...TRUNCATED)
"[\"tests.test_client_functional::test_netrc_auth_from_env[pyloop]\", \"tests.test_client_session::t(...TRUNCATED)
"[\"tests.test_client_functional::test_204_with_gzipped_content_encoding[pyloop]\", \"tests.test_cli(...TRUNCATED)
"diff --git a/CHANGES/11713.bugfix.rst b/CHANGES/11713.bugfix.rst\nnew file mode 100644\nindex 00000(...TRUNCATED)
"diff --git a/tests/conftest.py b/tests/conftest.py\nindex 62efff55..a4dba76e 100644\n--- a/tests/co(...TRUNCATED)
["tests/conftest.py", "tests/test_client_functional.py", "tests/test_client_session.py"]
"[\"tests.test_client_functional::test_netrc_auth_from_home_directory[pyloop]\", \"tests.test_client(...TRUNCATED)
"**Title** Fix netrc loading when NETRC environment variable is not set\n\n**Problem** \n- When the(...TRUNCATED)
"[\"tests.test_client_functional::test_netrc_auth_from_home_directory[pyloop]\", \"tests.test_client(...TRUNCATED)
"[\"tests.test_client_functional::test_204_with_gzipped_content_encoding[pyloop]\", \"tests.test_cli(...TRUNCATED)
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__11680-11727-pr1
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__11680-11727-pr2base
pytest
"apt-get update && apt-get install -y nodejs npm clang && git submodule update --init --recursive &&(...TRUNCATED)
"/opt/venv/bin/python -m pytest tests/conftest.py tests/test_client_functional.py tests/test_client_(...TRUNCATED)
major
broken
narrow
silent
false
medium
easy
bug
git_blame
"[{\"role\": \"fixer\", \"kind\": \"pr\", \"number\": 11727, \"author\": \"codecov[bot]\", \"url\": (...TRUNCATED)
"[{\"role\": \"fixer\", \"from_pr\": 11727, \"ref_type\": \"closes\", \"number\": 11713, \"url\": \"(...TRUNCATED)
aiohttp__5894-6181
aio-libs/aiohttp
python
5,894
6,181
2021-10-30T12:37:20
2021-10-31T08:55:32
3bd4e145661b081e48d9b7433b800e4be6c8e031
a82d2892dbe1266f248362725be0bb338069fbf7
9c7f3d37fd9ad2aea4d7f382062d52dca9d2bd89
15adfbc319a92c0f6a13c1c46e31ffb0ca6ac8fc
"**Title** — Recognize `+json` media types for any main content type\n\n**Problem** \nAiohttp onl(...TRUNCATED)
"diff --git a/CHANGES/5894.bugfix b/CHANGES/5894.bugfix\nnew file mode 100644\nindex 00000000..3c8b1(...TRUNCATED)
"diff --git a/tests/test_helpers.py b/tests/test_helpers.py\nindex 4582cfe6..dae39015 100644\n--- a/(...TRUNCATED)
["tests/test_helpers.py"]
"[\"tests.test_helpers::test_is_expected_content_type_non_application_json_private_suffix\", \"tests(...TRUNCATED)
"[\"tests.test_helpers.TestCReify::test_reify\", \"tests.test_helpers.TestCReify::test_reify_assignm(...TRUNCATED)
"diff --git a/CHANGES/6181.bugfix b/CHANGES/6181.bugfix\nnew file mode 100644\nindex 00000000..70696(...TRUNCATED)
"diff --git a/tests/test_helpers.py b/tests/test_helpers.py\nindex dae39015..33c1d292 100644\n--- a/(...TRUNCATED)
["tests/test_helpers.py"]
["tests.test_helpers::test_is_expected_content_type_json_non_lowercase"]
"**Title** — Make JSON media type matching case insensitive\n\n**Problem** \nJSON media type matc(...TRUNCATED)
["tests.test_helpers::test_is_expected_content_type_json_non_lowercase"]
"[\"tests.test_helpers.TestCReify::test_reify\", \"tests.test_helpers.TestCReify::test_reify_assignm(...TRUNCATED)
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__5894-6181-pr1
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__5894-6181-pr2base
pytest
"cd /testbed && git submodule update --init --recursive && apt-get update && apt-get install -y clan(...TRUNCATED)
"/opt/venv/bin/python -m pytest tests/ --junitxml=/tmp/accept.xml -p no:cacheprovider -q --continue-(...TRUNCATED)
major
broken
narrow
silent
false
easy
easy
bug
git_blame
"[{\"role\": \"fixer\", \"kind\": \"pr\", \"number\": 6181, \"author\": \"scop\", \"url\": \"https:/(...TRUNCATED)
"[{\"role\": \"introducer\", \"from_pr\": 5894, \"ref_type\": \"cross-referenced\", \"number\": 5896(...TRUNCATED)
aiohttp__7250-7889
aio-libs/aiohttp
python
7,250
7,889
2023-04-08T20:42:02
2023-11-24T21:11:06
e0adc9752c996cbdf9523048295abf8122847b71
586778f19b67a26a7d7ed9cd20add9b5b4dea96c
6dd0122417f00ed4b2b353226a1b164b6463a245
bb111012706d3ef9edc525be3d8d4df410ad847f
"**Title** — Consolidate compression and decompression logic into shared utilities\n\n**Problem** (...TRUNCATED)
"diff --git a/aiohttp/client_reqrep.py b/aiohttp/client_reqrep.py\nindex bad5a9ef..4ddc2d38 100644\n(...TRUNCATED)
"diff --git a/tests/test_http_parser.py b/tests/test_http_parser.py\nindex ad8ff3ad..d0588c03 100644(...TRUNCATED)
["tests/test_http_parser.py"]
"[\"tests.test_http_parser.TestDeflateBuffer::test_feed_data\", \"tests.test_http_parser.TestDeflate(...TRUNCATED)
"[\"tests.test_http_parser.TestDeflateBuffer::test_empty_body\", \"tests.test_http_parser.TestDeflat(...TRUNCATED)
"diff --git a/CHANGES/7865.bugfix b/CHANGES/7865.bugfix\nnew file mode 100644\nindex 00000000..9a46e(...TRUNCATED)
"diff --git a/tests/test_websocket_writer.py b/tests/test_websocket_writer.py\nindex fce3c330..8dbbc(...TRUNCATED)
["tests/test_websocket_writer.py"]
"[\"tests.test_websocket_writer::test_concurrent_messages[16-<lambda>]\", \"tests.test_websocket_wri(...TRUNCATED)
"**Title** — Restore async concurrency safety to websocket compressor\n\n**Problem** \nConcurrent(...TRUNCATED)
"[\"tests.test_websocket_writer::test_concurrent_messages[16-<lambda>]\", \"tests.test_websocket_wri(...TRUNCATED)
"[\"tests.test_websocket_writer::test_close\", \"tests.test_websocket_writer::test_ping\", \"tests.t(...TRUNCATED)
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__7250-7889-pr1
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__7250-7889-pr2base
pytest
"uv venv --python 3.10 /opt/venv && cd /testbed && git submodule update --init --recursive && apt-ge(...TRUNCATED)
"/opt/venv/bin/python -m pytest tests/ --junitxml=/tmp/accept.xml -p no:cacheprovider -q --continue-(...TRUNCATED)
major
broken
narrow
silent
false
easy
medium
feature
git_blame
"[{\"role\": \"fixer\", \"kind\": \"pr\", \"number\": 7889, \"author\": \"Dreamsorcerer\", \"url\": (...TRUNCATED)
"[{\"role\": \"fixer\", \"from_pr\": 7889, \"ref_type\": \"closes\", \"number\": 7859, \"url\": \"ht(...TRUNCATED)
aiohttp__7661-12235
aio-libs/aiohttp
python
7,661
12,235
2023-10-06T16:11:12
2026-03-11T23:38:17
314e9602729ab74d67dd0fbcb83eec571600076b
85713a4894610e848490915e5871ad71199348e2
cbb774f38330563422ca0c413a71021d7b944145
9370b9714a7a56003cacd31a9b4ae16eab109ba4
"**Title** — Update HTTP parser to comply with RFC 9110/9112\n\n**Problem** \nThe current parser (...TRUNCATED)
"diff --git a/aiohttp/http_parser.py b/aiohttp/http_parser.py\nindex 95b4f7f5..ff1df13d 100644\n--- (...TRUNCATED)
"diff --git a/tests/test_http_parser.py b/tests/test_http_parser.py\nindex bcc6cee8..1965f2ab 100644(...TRUNCATED)
["tests/test_http_parser.py"]
"[\"tests.test_http_parser::test_bad_chunked_py[pyloop]\", \"tests.test_http_parser::test_bad_header(...TRUNCATED)
"[\"tests.test_http_parser.TestDeflateBuffer::test_empty_body\", \"tests.test_http_parser.TestDeflat(...TRUNCATED)
"diff --git a/CHANGES/12231.bugfix.rst b/CHANGES/12231.bugfix.rst\nnew file mode 100644\nindex 00000(...TRUNCATED)
"diff --git a/tests/test_http_parser.py b/tests/test_http_parser.py\nindex 621fc0f2..8ddb3e4f 100644(...TRUNCATED)
["tests/test_http_parser.py"]
"[\"tests.test_http_parser::test_bad_headers[py-parser-pyloop-Foo: abc\\\\x01def]\", \"tests.test_ht(...TRUNCATED)
"**Title** — Adjust header value character checks to RFC 9110 (backport)\n\n**Problem** \nRequest(...TRUNCATED)
"[\"tests.test_http_parser::test_bad_headers[py-parser-pyloop-Foo: abc\\\\x01def]\", \"tests.test_ht(...TRUNCATED)
"[\"tests.test_http_parser.TestDeflateBuffer::test_empty_body\", \"tests.test_http_parser.TestDeflat(...TRUNCATED)
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__7661-12235-pr1
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__7661-12235-pr2base
pytest
"git submodule update --init --recursive && apt-get update && apt-get install -y nodejs npm && cd /t(...TRUNCATED)
"/opt/venv/bin/python -m pytest -v --color=no --junitxml=/tmp/accept.xml -p no:cacheprovider --conti(...TRUNCATED)
major
broken
narrow
silent
true
medium
easy
bug
advisory_szz
"[{\"role\": \"fixer\", \"kind\": \"pr\", \"number\": 12235, \"author\": \"codecov[bot]\", \"url\": (...TRUNCATED)
[]
aiohttp__7665-8078
aio-libs/aiohttp
python
7,665
8,078
2023-10-06T20:20:24
2024-01-28T17:09:58
85713a4894610e848490915e5871ad71199348e2
b282ff9fe8eb934d132db6467a8e2f7db6809b7c
0d945d1be08f2ba8475513216a66411f053c3217
d33bc21414e283c9e6fe7f6caf69e2ed60d66c82
"**Title**: Allow lax HTTP/1 response parsing in the pure-Python parser\n\n**Problem**\nThe pure-Pyt(...TRUNCATED)
"diff --git a/CHANGES/7663.feature b/CHANGES/7663.feature\nnew file mode 100644\nindex 00000000..509(...TRUNCATED)
"diff --git a/tests/test_http_parser.py b/tests/test_http_parser.py\nindex 1965f2ab..6d5cc650 100644(...TRUNCATED)
["tests/test_http_parser.py"]
"[\"tests.test_http_parser::test_http_response_parser_bad_chunked_lax[py-parser-pyloop]\", \"tests.t(...TRUNCATED)
"[\"tests.test_http_parser.TestDeflateBuffer::test_empty_body\", \"tests.test_http_parser.TestDeflat(...TRUNCATED)
"diff --git a/CHANGES/8074.bugfix.rst b/CHANGES/8074.bugfix.rst\nnew file mode 100644\nindex 0000000(...TRUNCATED)
"diff --git a/tests/test_http_parser.py b/tests/test_http_parser.py\nindex 820a76cb..b9317305 100644(...TRUNCATED)
["tests/test_http_parser.py"]
"[\"tests.test_http_parser::test_bad_header_name[py-parser-pyloop-/]\", \"tests.test_http_parser::te(...TRUNCATED)
"**Title** — Improve validation in HTTP parser\n\n**Problem** \nThe HTTP parser could raise unhan(...TRUNCATED)
"[\"tests.test_http_parser::test_bad_header_name[py-parser-pyloop-/]\", \"tests.test_http_parser::te(...TRUNCATED)
"[\"tests.test_http_parser.TestDeflateBuffer::test_empty_body\", \"tests.test_http_parser.TestDeflat(...TRUNCATED)
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__7665-8078-pr1
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__7665-8078-pr2base
pytest
"uv venv --python 3.10 /opt/venv && apt-get update -qq && apt-get install -y -qq nodejs npm && cd /t(...TRUNCATED)
"/opt/venv/bin/python -m pytest --junitxml=/tmp/accept.xml -p no:cacheprovider -q --continue-on-coll(...TRUNCATED)
major
broken
broad
silent
true
medium
medium
feature
git_blame
"[{\"role\": \"fixer\", \"kind\": \"pr\", \"number\": 8078, \"author\": \"codecov[bot]\", \"url\": \(...TRUNCATED)
[]
aiohttp__7781-7873
aio-libs/aiohttp
python
7,781
7,873
2023-11-03T01:30:54
2023-11-23T11:10:36
cdfed8b884ced3231b01c68a2f85bf2fbb94d30f
79f5266518b58e1a778450c9b03bf337a7e01901
cede54b211b96af860944150b3077bf121f3d937
5fa260aaa35d81dcbbeb15ee3891337870f77c99
"**Title**\nFix incomplete chunked request body when client request is closed early\n\n**Problem**\n(...TRUNCATED)
"diff --git a/CHANGES/7764.bugfix b/CHANGES/7764.bugfix\nnew file mode 100644\nindex 00000000..6e4c7(...TRUNCATED)
"diff --git a/tests/test_client_functional.py b/tests/test_client_functional.py\nindex 7063615a..06f(...TRUNCATED)
"[\"tests/test_client_functional.py\", \"tests/test_client_response.py\", \"tests/test_proxy_functio(...TRUNCATED)
"[\"tests.test_client_functional::test_stream_request_on_server_eof[pyloop]\", \"tests.test_client_f(...TRUNCATED)
"[\"tests.test_client_functional::test_204_with_gzipped_content_encoding[pyloop]\", \"tests.test_cli(...TRUNCATED)
"diff --git a/CHANGES/7869.bugfix b/CHANGES/7869.bugfix\nnew file mode 100644\nindex 00000000..23282(...TRUNCATED)
"diff --git a/tests/test_client_functional.py b/tests/test_client_functional.py\nindex c5379e74..669(...TRUNCATED)
["tests/test_client_functional.py"]
["tests.test_client_functional::test_read_timeout_closes_connection[pyloop]"]
"**Title** \nFix response close to actually close the connection\n\n**Problem** \nWhen a client re(...TRUNCATED)
["tests.test_client_functional::test_read_timeout_closes_connection[pyloop]"]
"[\"tests.test_client_functional::test_204_with_gzipped_content_encoding[pyloop]\", \"tests.test_cli(...TRUNCATED)
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__7781-7873-pr1
docker.io/shaswatpatel123/foresight-swe:inst-aiohttp__7781-7873-pr2base
pytest
"uv venv --python 3.10 /opt/venv && apt-get update && apt-get install -y nodejs npm clang && cd /tes(...TRUNCATED)
"/opt/venv/bin/python -m pytest tests/test_client_functional.py tests/test_client_response.py tests/(...TRUNCATED)
major
broken
broad
silent
false
medium
easy
bug
git_blame
[]
"[{\"role\": \"introducer\", \"from_pr\": 7781, \"ref_type\": \"closes\", \"number\": 5220, \"url\":(...TRUNCATED)
aiohttp__8302-8333
aio-libs/aiohttp
python
8,302
8,333
2024-04-07T12:19:31
2024-04-15T19:47:19
270ae9cf6a9e6159b5e29a950deb6ff7600aebc5
cebe526b9c34dc3a3da9140409db63014bc4cf19
82fbe6476a65e81bbde6f8036baaa34ca0c82c2c
7eecdff163ccf029fbb1ddc9de4169d4aaeb6597
"**Title:** Comply with RFC 7578 for multipart/form-data\n\n**Problem:** \nMultipart/form-data hand(...TRUNCATED)
"diff --git a/CHANGES/8280.bugfix.rst b/CHANGES/8280.bugfix.rst\nnew file mode 100644\nindex 0000000(...TRUNCATED)
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End of preview. Expand in Data Studio

Foresight-SWE

Paper: arXiv:2611.01181 · Code: GitHub · Leaderboard: shaswatpatel123.github.io/Foresight-SWE · Docker images: shaswatpatel123/foresight-swe

Abstract

In software development, engineers need to foresee and fix potential problems with their code that are not explicitly specified in requirements, such as pre-emptively considering vulnerabilities or other bugs from a code change. But current benchmarks often do not measure these future-looking consequences. We introduce Foresight-SWE, a benchmark for measuring whether coding agents can anticipate and address unstated problems during software engineering tasks. Foresight-SWE consists of 212 samples spanning 4 languages and 35 popular open-source repositories. Each sample contains two pull requests (PRs), the second of which resolves defects the first one introduced. To measure whether agents exhibit foresight, we define the foresight resolve rate (FRR) as the fraction of instances where an agent fully resolves the original task while also avoiding the defect identified by a later PR. We evaluate eleven large language models and find that FRR ranges from only 6.13% to 24.53%, indicating that models largely fail to address problems introduced by the first PR change. This raises important questions about how models are trained and aligned in coding contexts, as well as how code review tools should be improved for more fail-safe coding. Foresight-SWE shifts evaluations in this direction.

Evaluation

See github.com/shaswatpatel123/Foresight-SWE for how to run and grade an agent.

Citation

@misc{patel2026codingagentscatchbugs,
      title={Do Coding Agents Catch Their Own Bugs? (They Don't.)}, 
      author={Shaswat Patel and Michel Liao and Peter Henderson and He He and Valerie Chen},
      year={2026},
      eprint={2611.01181},
      archivePrefix={arXiv},
      primaryClass={cs.SE},
      url={https://arxiv.org/abs/2611.01181}, 
}
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