Dec 18, 2025
diff --git a/README.md b/README.md
 Starting from version 4.7.0 the Mac OS GitHub Actions build environment was update to version 11. Mac OS 10.x support deprecated. See https://github.com/actions/runner-images/issues/5583

 Starting from version 4.9.0 the Mac OS GitHub Actions build environment was update to version 12. Mac OS 10.x support deprecated by Brew and most of used packages.

 ## Example Usage (Python)

 Below is a minimal example that loads an image, converts it to grayscale, and saves the output.

 ```python
 import cv2

 img = cv2.imread("input.jpg")
 if img is None:
    raise FileNotFoundError("Could not read input.jpg")

 gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
 cv2.imwrite("output_gray.jpg", gray)
 print("Saved output_gray.jpg")
Original file line number	Diff line number	Diff line change
Expand Up		@@ -253,3 +253,18 @@ Starting from 4.3.0 and 3.4.10 builds the Linux build environment was updated fr
		Starting from version 4.7.0 the Mac OS GitHub Actions build environment was update to version 11. Mac OS 10.x support deprecated. See https://github.com/actions/runner-images/issues/5583

		Starting from version 4.9.0 the Mac OS GitHub Actions build environment was update to version 12. Mac OS 10.x support deprecated by Brew and most of used packages.

		## Example Usage (Python)

		Below is a minimal example that loads an image, converts it to grayscale, and saves the output.

		```python
		import cv2

		img = cv2.imread("input.jpg")
		if img is None:
		raise FileNotFoundError("Could not read input.jpg")

		gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
		cv2.imwrite("output_gray.jpg", gray)
		print("Saved output_gray.jpg")