> FWIW I've never observed filcker due to template parsing delay (else you'd see the raw template in the browser); for me it exclusively seems to be due to the GET latency for the paste

Yah yah, sorry I was overloading "flicker". This patch was addressing an html-render-before-template-compile flicker (i.e., visible mustaches) and I think I was only able to get it by holding command-R down on my wimpy little macbook air. I'd be happy to drop that patch. LMK.