Editing Presto (browser engine) (section)

==History and development==
{| class="wikitable" style="text-align: center"
!Presto Version
![[ECMAScript engine]]
!Browser code name
![[Opera (web browser)|Opera Browser]]
![[Opera Mobile]]
!Other use
!New features
|-
|pre Presto
|''none''
|''unnamed''
|3.5
|
|
|
|-
|pre Presto
|Linear A
|Elektra/''unnamed''<ref>{{cite web |url=http://my.opera.com/haavard/blog/2009/03/13/opera-publishes-version-history-rewrites-history |title=Opera publishes version history, rewrites history |archive-url=https://web.archive.org/web/20140221035135/http://my.opera.com/haavard/blog/2009/03/13/opera-publishes-version-history-rewrites-history |archive-date=2014-02-21}}</ref><ref group="note">''Elektra'' was originally the codename of Opera 4.0, but later came to refer more generally to the layout engine used in versions 3.5 through 6.</ref>
|4.0
|
|
|
|-
| rowspan="2" | 1.0
| rowspan="3" | Linear B
|''unnamed''
|7.0
|
|
| style="text-align:left" |a completely new rendering engine, [[Favicon]] support<ref>{{cite web|url=http://www.opera.com/docs/changelogs/windows/700/|title=Opera 7 for Windows Changelog|publisher=Opera Software|access-date=28 February 2011|archive-url=https://web.archive.org/web/20170706180357/http://www.opera.com/docs/changelogs/windows/700/|archive-date=6 July 2017|url-status=dead}}</ref>
|-
|
|8.5
|
|
| style="text-align:left" |"Bolton" version: 1st completely free download version (ad-free toolbar)
|-
|2.0
|Merlin
|9.0
|
|[[Internet Channel]]<ref>{{cite web
|url=http://www.opera.com/dragonfly/documentation/
|title=Opera Dragonfly documentation
|publisher=[[Opera Software]]
|access-date=2009-02-27
|archive-url=https://web.archive.org/web/20090225125540/http://www.opera.com/dragonfly/documentation/
|archive-date=2009-02-25
|url-status=dead
}}</ref>
| style="text-align:left" |Canvas, [[Acid2]] Test: passed, Rich text editing, XSLT, and XPath
|-
|2.1
| rowspan="6" | Futhark
| rowspan="2" | Kestrel
|9.5
|9.5<ref>{{cite web
|url=http://www.opera.com/press/reviews/mobile/#new
|title=Reviewer's Guide to Opera Mobile 9.5 Beta
|publisher=[[Opera Software]]
|access-date=2009-02-27
|archive-url=https://web.archive.org/web/20100220130135/http://www.opera.com/press/reviews/mobile/#new
|archive-date=2010-02-20
|url-status=dead
}}</ref>
|[[Nintendo DS & DSi Browser|Nintendo DSi Browser]]
| style="text-align:left" |[[Scalable Vector Graphics|SVG]] Tiny 1.2, SVG as CSS, SVG as <img>, Audio object
|-
|2.1.1
|9.6
|
|
| style="text-align:left" |[[Scope API]],<ref>{{cite web
|url=http://dev.opera.com/articles/view/presto-2-1-web-standards-supported-by/
|title=Opera Presto 2.1 – Web standards supported by Opera's core
|last=Lawson
|first=Bruce
|publisher=[[Opera Software]]
|date=2008-09-10
|access-date=2009-02-27
|archive-date=2009-02-25
|archive-url=https://web.archive.org/web/20090225070650/http://dev.opera.com/articles/view/presto-2-1-web-standards-supported-by/
|url-status=dead
}}</ref> SVG as [[Favicon]]
|-
|2.2
| rowspan="4" | Peregrine
|
|9.7<ref>{{cite press release
|url=http://www.opera.com/press/releases/2009/03/26/
|title=Opera announces the new Opera Mobile 9.7 at CTIA Wireless 2009 – a server-accelerated full Web experience for smartphones and mobile devices
|publisher=[[Opera Software]]
|date=2009-03-26
|access-date=2009-06-11
|archive-url=https://web.archive.org/web/20111004203114/http://www.opera.com/press/releases/2009/03/26/
|archive-date=2011-10-04
|url-status=dead
}}</ref>
|
|
|-
|2.2.15
|10.0<br/>10.1
|9.8<ref>{{cite press release
|url=http://www.opera.com/press/releases/2009/06/02/
|title=Opera Software grows in Poland: International Web browser company celebrates the Warsaw office opening
|publisher=[[Opera Software]]
|date=2009-06-02
|access-date=2009-06-11
|archive-url=https://web.archive.org/web/20100227031958/http://www.opera.com/press/releases/2009/06/02/
|archive-date=2010-02-27
|url-status=dead
}}</ref>
|
| style="text-align:left" |[[Acid3]] test: 100/100, pixel-perfect, Web fonts, CSS Selectors API, [[RGBA color space|RGBA]] & [[HSL and HSV|HSLA]] opacity, [[Transport Layer Security|TLS]] 1.2.,<ref>{{cite web
|url=http://my.opera.com/core/blog/2009/02/25/new-in-opera-presto-2-2-tls-1-2-support
|title=New in Opera Presto 2.2: TLS 1.2 Support
|last=Pettersen
|first=Yngve Nysæter
|publisher=[[Opera Software]]
|date=2009-02-25
|access-date=2009-02-27
|archive-url=https://web.archive.org/web/20090304164942/http://my.opera.com/core/blog/2009/02/25/new-in-opera-presto-2-2-tls-1-2-support|archive-date=2009-03-04}}</ref> FPS in SVG, SVG fonts in HTML
|-
|2.3
|
|
|Opera Devices SDK 10
| style="text-align:left" |CSS3 : border-image, border-radius (rounded corners), box-shadow, transitions; HTML5: <audio> and <video> elements
|-
|2.4
|
|10
|
| style="text-align:left" |CSS2.1: visibility:collapse; CSS3 : transforms; HTML5: <canvas> shadows, Web Database, [[Web Storage]], window.btoa, and window.atob
|-
|2.5.24
| rowspan="11" | Carakan
| rowspan="2" | Evenes
|10.5
|10.1
|[[Opera Mini]] server
| style="text-align:left" |CSS3: multiple backgrounds; HTML5: <canvas> Text
|-
|2.6.30
|10.6
|
|
| style="text-align:left" |[[WebM]]; HTML5: [[Web app|AppCache]], [[W3C Geolocation API|Geolocation]], [[Web Workers]]<ref>{{cite web|last=Kleinhout|first=Huib|title=Opera 10.60 goes final|url=http://my.opera.com/desktopteam/blog/2010/07/01/opera-10-60-goes-final|work=[[My Opera]]|publisher=[[Opera Software]]|access-date=2 July 2010|date=1 July 2010|archive-url=https://web.archive.org/web/20100702152315/http://my.opera.com/desktopteam/blog/2010/07/01/opera-10-60-goes-final|archive-date=2 July 2010}}</ref>
|-
|2.7.62
| Kjevik
|11.0
|11.0
|
| style="text-align:left" |[[Browser extension|Extensions]], [[WebSocket]]
|-
| 2.8.131
| Barracuda
| 11.1
| 11.1
| Opera Mini server 4.27
| style="text-align:left" |[[WebP]], [http://www.w3.org/TR/FileAPI/ File API], CSS3 gradients (only for the ''background'' and ''background-image'' properties): -o-linear-gradient(), -o-repeating-linear-gradient(); Support for [http://dev.w3.org/csswg/css3-images/#color-stop-syntax <color-stop>] added.
|-
| 2.9.168
| Swordfish
| 11.5
|
|
| style="text-align:left" |Session history management, classList (DOMTokenList)
|-
| 2.9.201
|
|
| 11.50 for Android
|
| style="text-align:left" |[[ECMAscript]] strict mode
|-
| 2.10.229
| Tunny
| 11.6
| 11.6
|
| style="text-align:left" |[[HTML5]] Parser, full support to [[CSS Gradients]], Typed Arrays, CSS unit "rem"
|-
| 2.10.254
| rowspan="2" | [[Wahoo]]
|
| 12.0
|
| rowspan="2" style="text-align:left" |[[WebGL]] and [[hardware acceleration]]<ref>{{cite web|title=Introducing Opera 12 Alpha|url=http://my.opera.com/desktopteam/blog/2011/10/13/introducing-opera-12-alpha|work=[[My Opera]]|publisher=[[Opera Software]]|access-date=28 January 2012|date=13 October 2011|archive-url=https://web.archive.org/web/20111015055222/http://my.opera.com/desktopteam/blog/2011/10/13/introducing-opera-12-alpha|archive-date=15 October 2011}}</ref>
|-
| 2.10.289
| 12.0
|
|
|-
|2.11.355
| rowspan="2" | [[Marlin]]
|
|12.1 for Android
|
| style="text-align:left" rowspan="2" | [[SPDY]], CSS3 Flexbox<ref>{{cite web|title=Opera Mobile 12.1: with SPDY, WebSockets, Flexbox, and more|url=http://my.opera.com/ODIN/blog/opera-mobile-12-1-with-spdy-web-sockets-flexbox-and-more|work=[[My Opera]]|publisher=[[Opera Software]]|access-date=10 October 2012|date=9 October 2012|archive-url=https://web.archive.org/web/20121010220943/http://my.opera.com/ODIN/blog/opera-mobile-12-1-with-spdy-web-sockets-flexbox-and-more|archive-date=10 October 2012}}</ref>
|-
|2.12.388
|12.10–12.18
|
|
|}
{{reflist|group=note}}