You can use the NuGet package for downlevel support https://www.nuget.org/packages/System.Memory/ https://www.nuget.org/packages/System.Memory/ The runtime cha

You can use the NuGet package for downlevel support https://www.nuget.org/packages/System.Memory/ https://www.nuget.org/packages/System.Memory/ The runtime changes make it faster, smaller and include Jit optimizations for it (bounds check elimination etc)