Migration guide from SimpleW v16

Core

SimpleWServer.Start() => SimpleWServer.StartAsync() or SimpleWServer.RunAsync() depending on the blocking context you want
SimpleWServer.Stop() => SimpleWServer.StopAsync()
SimpleWSServer => SimpleWServer.UseHttps() to setup ssl certificate
SimpleWServer.AddDynamicContent() => SimpleWServer.MapControllers() and SimpleWServer.MapController()
SimpleWServer.AddStaticContent() => SimpleWServer.UseStaticFilesModule()
SimpleWServer.AddCORS() => SimpleWServer.UseCorsModule()
SimpleWServer.EnableTelemetry => SimpleWServer.EnableTelemetry() and SimpleWServer.DisableTelemetry()

Request.Header() => Request.Headers.* or Request.Headers.TryGetValue("name", out string value)

Response.MakeResponse() depending on the context, build you response with Response.Text(), Response.Body()...
Response.MakeUnAuthorizedResponse() => Response.UnAuthorized()
Response.MakeForbiddenResponse() => Response.Forbidden()
Response.MakeInternalServerErrorResponse() => Response.InternalServerError()
Response.MakeNotFoundResponse() => Response.NotFound()
Response.MakeRedirectResponse() => Response.Redirect()
Response.MakeAccessResponse() => Response.Access()
Response.MakeDownloadResponse() => depending on the context Response.Text() or Response.Body() and then Response.Body().Attachment(outputFilename).

All the statistics properties from SimpleWServer class (ConnectedSessions, BytesPending, BytesSent, BytesReceived) has been removed. They may be appears is a future release but not now.
SimpleWServer.OptionSendBufferSize property no longer exists;
SimpleWServer.TrustXHeaders property no longer exists (see SimpleWServer.ConfigureTelemetry() on how to add custom telemetry tags);