Earlier quoted context omitted.
In 2013 (i.e. after these emails came out), US officials denied there was a sealed indictment against him. Lots has happened since but this talk of indictment has been going on for 8 years and nothing has happened. And again, the actual question is 'what would they charge him with and what could you prove against him in court?'. The notion that the US just can't wait to get their hands on Assange seems to come mostly…
I'd say the time when we will know for sure is when Assange visits Disneyland, Florida and nothing happens. And if I were him - just being prudent - on the off chance that the US government is only about 1% as vindictive as various statements by various officials have suggested I'd visit Paris instead.
More seriously, you're moving the goalposts. There are lots of people who are better off sticking to Disneyland, Paris rather than Disneyland, Anaheim. That doesn't mean the US government is actively trying to get a hold of them or considers their apprehension and prosecution in US courts important or even feasible.
The idea that the USG is actively hunting Assange is his main excuse for hiding out in the Ecuadorian embassy. The main source of that idea, as far as I can tell, is Assange and the evidence for it is very thin indeed.