I think that is exactly what they said? > Up to now, deno run has always automatically performed type checking on the code it was about to run, just before run

I think that is exactly what they said? > Up to now, deno run has always automatically performed type checking on the code it was about to run, just before running it. This can sometimes be a nice user experience, but more often than not it is not what you want. The reason for this is often that type checking is really slow: it is often by far the single largest factor impacting the startup performance of your application.