opencv/opencv-python

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Automated CI toolchain to produce precompiled opencv-python, opencv-python-headless, opencv-contrib-python and opencv-contrib-python-headless packages.

Stars: 5.4k
Forks: 1k
Open beginner issues: 0
Indexed issues: 183
Avg merge: 22h 17m
Merged PRs (30d): 3

Dominant language: Python
License: MIT
Last GitHub push: Sep 4, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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183 open issues indexed

Feature Request: General λ-connected (lambda-connected) segmentation (beyond flood_fill()) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

opencv/opencv-python#1273 · 1 comment · Opened Sep 3, 2026
FFMPEG v8.1.1 vulnerabilities Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opencv/opencv-python#1272 · 1 comment · Opened Sep 2, 2026
cv2 import appends a trailing ":" to LD_LIBRARY_PATH — empty entry resolves to CWD and breaks child processes Open

Difficulty 3/5 1-2 days Newbie friendliness 70/100

opencv/opencv-python#1268 · 1 comment · Opened Aug 31, 2026
Packaging documentation: source and notice mapping for six bundled libraries in 4.11.0.86 Linux contrib wheel Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opencv/opencv-python#1267 · Opened Aug 28, 2026
Provide PEP 770 SBOM files in generated wheels Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

opencv/opencv-python#1266 · Opened Aug 28, 2026
cv2.applyColorMap got different result shape between 4.x and 5.x Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

opencv/opencv-python#1263 · 3 comments · Opened Aug 21, 2026
macOS ARM64 wheel 5.0.0.93 bundles GPL-configured FFmpeg (libx264/libx265) — conflicts with README LGPLv2.1 statement Open

bug

opencv/opencv-python#1260 · 2 comments · 1 assignee · Opened Aug 12, 2026
Please make opencv-python-headless support FFmpeg 9.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

opencv/opencv-python#1258 · Opened Aug 9, 2026
Scikit-build (classic) 1.0 internals Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1250 · 1 comment · 1 reaction · Opened Jul 20, 2026
OpenCV 5.0.0.93 - `cv2.data.haarcascades` xml files missing Open

bug

opencv/opencv-python#1244 · 6 comments · 1 assignee · Opened Jul 8, 2026
macOS duplicate SDL warnings with opencv-python 4.13.0.92 and pygame Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1219 · 1 comment · 1 reaction · Opened Apr 30, 2026
Add a security policy Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

opencv/opencv-python#1218 · 1 reaction · Opened Apr 22, 2026
[DOC] README file Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

opencv/opencv-python#1217 · 3 comments · Opened Apr 19, 2026
Tags don't match PYPI releases Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opencv/opencv-python#1216 · 1 comment · 2 reactions · Opened Apr 7, 2026
opencv crashes in Linux when used with webbrowser lib Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

opencv/opencv-python#1215 · Opened Mar 31, 2026
When will the Windows version support AVIF? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

opencv/opencv-python#1214 · Opened Mar 4, 2026
Published 4.13.0.92 wheels bundle ffmpeg 5.1.x despite build Dockerfiles specifying 8.0.1 Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opencv/opencv-python#1212 · 3 comments · 5 reactions · Opened Feb 22, 2026
Incompatibility with Numpy 1.x Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opencv/opencv-python#1211 · Opened Feb 19, 2026
Use Python logging framework Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

opencv/opencv-python#1208 · 2 comments · Opened Feb 16, 2026
opencv_contrib_python_rolling distribution fails ty type checker Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1206 · Opened Feb 11, 2026
opencv-python-headless 4.13.0.92 missing source distribution (tar.gz) on PyPI Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1204 · 1 comment · 4 reactions · Opened Feb 5, 2026
Poor compatibility with Python 3.14+NumPy 2.3.3 Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

opencv/opencv-python#1201 · 6 comments · 3 reactions · Opened Feb 3, 2026
Inconsistent orientation of detected/generated ArUco and AprilTags Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1195 · 4 comments · Opened Jan 28, 2026
VideoWriter not writing anything Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

opencv/opencv-python#1194 · 2 comments · Opened Jan 27, 2026
VideoWriter fails silently for multiple codecs on macOS Intel Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opencv/opencv-python#1192 · 1 reaction · Opened Jan 26, 2026
OpenSSL FIPS selftest failure when importing cv2 on FIPS-enabled systems Open

bug

opencv/opencv-python#1191 · 18 comments · 14 reactions · 1 assignee · Opened Jan 23, 2026
No sdist entries for opencv-python-headless version 4.13.0.90. Cannot install with --no-binary. Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opencv/opencv-python#1188 · Opened Jan 22, 2026
Bundled version of libpng has CVE-2026-22801 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

opencv/opencv-python#1186 · 1 comment · Opened Jan 20, 2026
Change in ArucoDetector return value in 4.13.0.90? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1185 · Opened Jan 19, 2026
cv2.imread() from 16-bit TIFF creates arrays where np.maximum() fails in function context but works directly Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1182 · 3 comments · Opened Jan 16, 2026
cap.read returns black image after adjusting focus Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

opencv/opencv-python#1180 · 1 comment · Opened Jan 14, 2026
`corrupted double-linked list Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

opencv/opencv-python#1166 · 3 comments · Opened Dec 15, 2025
Dependency specification missing for python3.14 Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

opencv/opencv-python#1165 · 2 comments · 1 reaction · Opened Dec 14, 2025
windows 11 with python 3.14 support Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

opencv/opencv-python#1160 · 1 comment · 1 reaction · Opened Dec 9, 2025
bug, macOS, Apple Silicon Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opencv/opencv-python#1156 · Opened Nov 29, 2025
we need wheels for python 3.14, it's falling back to numpy which requires all the tools to compile from source Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1155 · 3 comments · 2 reactions · Opened Nov 23, 2025
Release process broken due to use of username/password authentication to PyPI Open

opencv/opencv-python#1154 · 1 comment · 1 assignee · Opened Nov 8, 2025
Integrate ICC v5 / iccMAX Support into OpenCV Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

opencv/opencv-python#1153 · Opened Oct 28, 2025
cv2.VideoCapture leaking memory... Open

incomplete

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1151 · 4 comments · Opened Oct 16, 2025
Getting error "A module that was compiled using NumPy 1.x cannot be run in NumPy 2.0.1 as it may crash" in 4.12.0.88 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1149 · 3 comments · Opened Oct 13, 2025
Implement cv2.cuda.Filter type hints Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opencv/opencv-python#1145 · 1 comment · Opened Sep 16, 2025
opencv-python arm version Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1144 · 2 comments · Opened Sep 15, 2025
CVE-2019-9423 for opencv-python Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1141 · 1 reaction · Opened Sep 10, 2025
Thin plate spline transform gives solid color for certain inputs Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1139 · Opened Sep 2, 2025
opencv-python doesn't have GUI ? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencv/opencv-python#1138 · 1 comment · Opened Aug 28, 2025
Walkthrough to build with GStreamer for Windows Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1137 · Opened Aug 20, 2025
numpy rot dependency Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

opencv/opencv-python#1134 · 1 comment · Opened Aug 11, 2025
CLAHE Crashing Google Colab Runtime Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1130 · 1 comment · Opened Jul 28, 2025
how to build debug opencv Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1129 · Opened Jul 23, 2025
python3 is unavailable when cross compiling OpenCV Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1128 · Opened Jul 22, 2025

opencv/opencv-python

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