Would the Firefox migration of parts to rust count as "leaving the lab"? If not so: what's your criterion? https://4e6.github.io/firefox-lang-stats/ https://4

Would the Firefox migration of parts to rust count as "leaving the lab"? If not so: what's your criterion? https://4e6.github.io/firefox-lang-stats/ https://4e6.github.io/firefox-lang-stats/