The overload being used in the Startup.cs has swapped to a builder pattern (see https://github.com/aspnet/Diagnostics/issues/184). But rather than updating to the new signature, just swapping to the parameterless overload since it enables everything by default (same as UseDeveloperExceptionPage()).
The overload being used in the Startup.cs has swapped to a builder pattern (see https://github.com/aspnet/Diagnostics/issues/184). But rather than updating to the new signature, just swapping to the parameterless overload since it enables everything by default (same as UseDeveloperExceptionPage()).