These components and shaders allow you to add rounded corners to UI elements!

URL to copypaste:

https://github.com/kirevdokimov/Unity-UI-Rounded-Corners.git

• Open %projectname%/Packages/manifest.json
• Add the following to the dependencies section:

"com.nobi.roundedcorners": "https://github.com/kirevdokimov/Unity-UI-Rounded-Corners.git"

• Add ImageWithRoundedCorners component to a GameObject with an Image
• Adjust Radius property

• Add ImageWithIndependentRoundedCorners to a GameObject with an Image
• Adjust r Vector4 property. Each vector component represent radius, clockwise, starting with top-left corner

If you need to add or change the image at runtime, call Validate() and then Refresh() to update the materials.