Opera 12.02 final released, download now - gHacks Tech News
Opera 12.15, Stability and Security Update Released
Opera plans transition to WebKit engine
Presto! Interactive Opera
Solved] Importing Opera 12.x (Presto) bookmarks/passwords no longer available? | Opera forums
Presto (Opera) — Википедия
Hey Presto, Opera switches to WebKit | Ars Technica
GitHub - operasoftware/operaprestodriver: OperaPrestoDriver is a vendor-supported WebDriver implementation that enables programmatic automation of Presto-based Opera products (i.e. v12 and older).
Opera Presto Source Code Leaks Online
In Pictures: 10 things you need to know about Opera Next 15 - Slideshow - ARN
View Links on a Page as in Opera Presto | Vivaldi Forum
Surprise: Opera 12.18 has been released - gHacks Tech News
Opera 12.18 получила «прощальное» обновление — TopSoft.News