This version of Unity is unsupported.
Method group is Obsolete

SystemInfo.supportsRenderToCubemap

Obsolete supportsRenderToCubemap always returns true, no need to call it. public static bool supportsRenderToCubemap;

Description

Are cubemap render textures supported? (Read Only)

Returns true if graphics card supports render into cubemap Render Textures.

Additional resources: Render Texture assets, RenderTexture class.