History and Development
| Presto Version | ECMAScript engine | Browser code name | Opera Browser | Opera Mobile | Other use | New features |
|---|---|---|---|---|---|---|
| pre Presto | none | unnamed | 3.5 | |||
| pre Presto | Linear A | Electra/unnamed | 4.0 | |||
| 1.0 | Linear B | unnamed | 7.0 | a completely new rendering engine, Favicon support | ||
| 8.5 | "Bolton" version: 1st completely free download version (ad-free toolbar) | |||||
| 2.0 | Merlin | 9.0 | Internet Channel | Canvas, Acid2 Test: passed, Rich text editing, XSLT and XPath | ||
| 2.1 | Futhark | Kestrel | 9.5 | 9.5 | Nintendo DSi Browser | SVG Tiny 1.2, SVG as CSS, SVG as |
| 2.1.1 | 9.6 | Scope API, SVG as Favicon | ||||
| 2.2 | Peregrine | 9.7 | ||||
| 2.2.15 | 10.0 10.1 |
9.8 | Acid3 test: 100/100, pixel-perfect, Web fonts, CSS Selectors API, RGBA & HSLA opacity, TLS 1.2., FPS in SVG, SVG fonts in HTML | |||
| 2.3 | Opera Devices SDK 10 | CSS3 : border-image, border-radius (rounded corners), box-shadow, transitions; HTML5: | ||||
| 2.4 | 10 | CSS2.1: visibility:collapse; CSS3 : transforms; HTML5: | ||||
| 2.5.24 | Carakan | Evenes | 10.5 | 10.1 | Opera Mini server | CSS3: multiple backgrounds; HTML5: |
| 2.6.30 | 10.6 | WebM; HTML5: AppCache, Geolocation, Web Workers | ||||
| 2.7.62 | Kjevik | 11.0 | 11.0 | Extensions, WebSocket | ||
| 2.8.131 | Barracuda | 11.1 | 11.1 | Opera Mini server 4.27 | WebP, File API, CSS3 gradients (only for the background and background-image properties): -o-linear-gradient, -o-repeating-linear-gradient; Support for |
|
| 2.9.168 | Swordfish | 11.5 | Session history management, classList (DOMTokenList) | |||
| 2.9.201 | 11.50 for Android | ECMAscript strict mode | ||||
| 2.10.229 | Tunny | 11.6 | 11.6 | HTML5 Parser, full support to CSS Gradients, Typed Arrays, CSS unit "rem" | ||
| 2.10.254 | Wahoo | 12.0 | WebGL and Hardware Acceleration | |||
| 2.10.289 | 12.0 | |||||
| 2.11.355 | Marlin | 12.1 for Android | SPDY, CSS3 Flexbox | |||
| 2.12.388 | 12.10 |
Read more about this topic: Presto (layout Engine)
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“The work of adult life is not easy. As in childhood, each step presents not only new tasks of development but requires a letting go of the techniques that worked before. With each passage some magic must be given up, some cherished illusion of safety and comfortably familiar sense of self must be cast off, to allow for the greater expansion of our distinctiveness.”
—Gail Sheehy (20th century)