OpenCV 3.4.15 has been released.

sha256 sums for packages:

517940405619dec8d89d93f42bd5e229afeceada9214d0f62a22560998e3b3aa  opencv-3.4.15-android-sdk.zip
cc81527682087615e9cfb8b25bc5255ba4087b52fb05c2a97df811d5e6cbdb01  opencv-3.4.15-docs.zip
5967b50963e4a0ff362b80edb40f29a4da20211fd82fd0e267de0bd94813b0bf  opencv-3.4.15-ios-framework.zip
7a975278527e1b690230a241078204e153c33077e152102df300721bb8f9a71c  opencv-3.4.15-vc14_vc15.exe