Release v20

update 4.8.1

Release v19

build milkv duo and luckfox pico package (#59)

Release v18

fix link openmp flags (#58)

Release v17

update 3.4.20 and 4.8.0 and some ci fix and highgui fix (#53)

* update 3.4.20 patch

* update 4.8.0 patch

* update toolchain and ci

* split ios simulator

* fix wasm simd build

* enable cxx11 for opencv2

* workaround for macos build

* workaround for ios build

* do not convert RGB/BGR inplace on imencode/imwrite

* Update stb_image.h

* enable stbi neon

* Update highgui.cpp

* mac catalyst

* add test project

* opencv2 link openmp

* opencv 2.4.13.7 on newer msvc

* enable c++11 test

* test all packages

Release v16

add -mno-outline-atomics flag for android arm64 build

Release v15

setup msys2 default installation

Release v14

fix build

Release v13

static crt off

Release v12

fix opencv-4.5.3-no-rtti.patch

Release v11

let opencv2 work on old wasm runtime