Here it is - it is one the texts that shows up below the OP
It's already old, theymos isn't removing an old factoid, but he just add the new factoid.
I'd call Bitcoin is beta software or experimental technology if there's a possibility of something bad could happen e.g. hack, centralized or anything that opposite with the whitepaper.
Maybe Bitcoin become a legal tender is still experimental since only two country currently accept that, but Bitcoin itself isn't experimental anymore.