Editing Presto (browser engine) (section)

== Source code leak ==
The source code for version 12.15 was leaked to [[GitHub]] on February 11, 2016.<ref>{{Cite web
 |url=https://github.com/prestocore/browser
 |title=Presto Web rendering engine: Opera 12.15
 |date=2017-01-12|website=[[GitHub]] |archive-url=https://web.archive.org/web/20170113134110/https://github.com/prestocore/browser|archive-date=2017-01-13|url-status=dead}}</ref> It remained unnoticed until January 12, 2017 and was taken down two days later in response to a [[Digital Millennium Copyright Act|DMCA]] request.<ref>{{Cite web|url=https://github.com/github/dmca/blob/master/2017/2017-01-12-Presto.md|title=2017-01-12-Presto.md|website=[[GitHub]]|access-date=2017-10-12}}</ref><ref>{{Cite news
 |url=https://www.bleepingcomputer.com/news/software/opera-presto-source-code-leaks-online/
 |title=Opera Presto Source Code Leaks Online
 |first=Catalin |last=Cimpanu
 |work=[[Bleeping Computer]]
 |access-date=2017-10-12
 |language=en-us
}}</ref> [[Opera (company)|Opera Software]] has confirmed the authenticity of the source code.<ref>{{Cite news|url=https://blogs.opera.com/security/2017/01/legacy-opera-presto-source-code-appearance-online-sharing-sites/|title=Legacy Opera Presto source code appearance in online sharing sites – Opera Security|date=2017-01-18|website=Opera Security|access-date=2017-10-12|language=en-US}}</ref>