in the posted issue to get around this. I found this to be partially true, as the code didn't support Razor Pages.

So here today is a plaintext routing table that will give you an alphabetical listing of your Razor pages as well as your other routes. One thing you'll notice, sadly, is that you won't get HTTP method verbiage for your Razor pages, so you may only find this to be of some comfort. If you know how to include this, however, please don't hesitate to let us know and we'll update the code snippet - or, post it somewhere and we'll link to your more glorious workaround!

Put this in your Startup.cs

app.UseRouting(); // make sure this is here first!
app.UseEndpoints(endpoints =>
{
    endpoints.MapRazorPages();
    endpoints.MapControllers();
    endpoints.MapGet("/routes", request =>
    {
        var sb = new StringBuilder();
        foreach (var source in endpoints.DataSources)
        {
            foreach (var a in source.Endpoints.OrderBy(x => x.DisplayName))
            {
                if (a.Metadata.First() is PageRouteMetadata)
                {
                    sb.AppendLine(
                        $"PageRoute {{{a.DisplayName}, Route: {(a.Metadata.First() as PageRouteMetadata)?.PageRoute}}}");
                    continue;
                }

                sb.AppendLine(
                    $"Route: {{{((HttpMethodMetadata) a.Metadata.First(m => m is HttpMethodMetadata)).HttpMethods.First()}: {(a as RouteEndpoint)?.RoutePattern.RawText}}}");
            }
        }
        return request.Response.WriteAsync(sb.ToString());
    });
});

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