OpenCV 3.4.13 has been released.

sha256 sums for packages:

39890e889ce5b74302a692c1c5669294b9f605f2c07d9c18be689601f947d146  opencv-3.4.13-android-sdk.zip
a7401163bad2688494b892c4572861f9bdeb35871fd6e3d4afc3b79bb9412436  opencv-3.4.13-docs.zip
3bcaa38a1efb309303ce9f895b41f2b420e5291fa24c21915bc283b29b79f080  opencv-3.4.13-ios-framework.zip
659d0386d6cda975a71c4425f950cad5420ba1036037a20cd17351a683b8b23a  opencv-3.4.13-vc14_vc15.exe