Opera is een gratis te gebruiken internetbrowser met features zoals tabbed browsing, pop-up blocker en een e-mailprogramma met spamfilter. Vandaag hebben de ontwikkelaars van Opera de tweede technology preview van versie 9 beschikbaar gesteld. In deze preview zijn de nieuwe mogelijkheden van de browser te testen. Zo is in TP2 onder meer Wigets met AJAX-functionaliteit (Asynchronous Javascript and XML - meer informatie kan gevonden worden dit Wikipedia-artikel) te testen, zijn bestanden via de ingebakken BitTorrent-client te delen en kan specifieke content geweerd worden via de content blocker. Opera 9 Technology Preview 2 kan gebruikt worden op Windows, Linux- en Unix-achtige besturingssystemen en ten slotte Mac OS X. Hieronder zijn de release notes van Technology Preview 2 geplaatst:
User Interface
- New Opera Widgets feature. Widgets are small Web applications that live outside the Opera window. Press F6 to enter widgets mode. See the widgets tutorials for more details.
- Added content blocking feature. Right click on a page and select "Block content", then click on content that you want to block. Alternatively, use Tools > Advanced > Content blocked to manage blocked content.
- Added search shortcut editor. Right click on a form input to add it as a search shortcut, or use Preferences > Search to manage search shortcuts
- Enabled support for BitTorrent.
- New search shortcut 'b' searches BitTorrent
- Added site specific preferences user interface.
- Press F12 and choose Site preferences to set preferences for the current site, or use Preferences > Advanced > Sites to manage site specific preferences.
- Preferences that can be set on a per-site basis can now be accessed using Preferences > Advanced > Sites > Default settings.
- Web page thumbnails are now shown when hovering tabs.
- Thumbnails are also available when switching tabs using Ctrl+Tab. These are disabled by default but can be enabled using the [User Prefs] Use Thumbnails in Window Cycle setting in opera:config.
- Added grouping by date and site to the History panel.
- Added syntax highlighting to source viewer.
- CSS errors are now reported to the message console.
- Tabbed browsing mode now opens a new tab if all existing tabs are closed.
- Local stylesheets can now be specified as a directory using the [User Prefs] Local CSS Files Directory setting, and all stylesheets in that directory will be used to populate the on-demand user stylesheet menu.
- New styles for opera:about, opera:cache, opera:config, opera:error, opera:history, opera:plugins, file: view, and Info panel.
- opera:config says what changes were saved.
- opera:config now allows linking to individual preferences, and searching within headers.
- Simplified bookmarks and Wand dialogs.
- Added keyboard shortcut Ctrl+Enter to auto complete "www" and "com" when used in the address field.
- Ctrl+B can be used instead of Ctrl+Shift+V for paste-and-go.
Messaging and Newsfeeds
- New e-mail header toolbar.
- Improved IMAP folder synchronisation.
- Improved moving of email between IMAP folders.
- Fix for duplicates showing in IMAP sent view.
- Fix for messages showing blank
- Added support for importing and exporting feed lists in OPML format, using File > Import and export.
- Default mail views can no longer be renamed through the mail interface. They can be renamed using language packs.
- Added a warning when sending mail without a subject.
- User stylesheets are no longer applied to mail, news, and chat.
- Added smiley menu to chat and mail toolbars.
- Added CTCP flood protection to IRC chat.
Display
- Added support for CSS 3 opacity.
- Media queries now understand several CSS length units, and can check additional media features.
- CSS rules that are only partially correct (for example, '1px solid notrecognised') are now ignored.
- Printing now uses backgrounds from print media instead of screen.
- Text-decoration is retained on absolutely positioned links.
- Attribute selectors now use the specified value of URIs, instead of resolved values.
- Button elements now respect display:none.
- Multiple fixes for styling of legends and fieldsets.
- Allowed coloring of text and backgrounds in option and optgroup elements.
- Fixed a regression with CSS attribute selectors failing to understand percentages.
- Improved handling of tables in ERA.
- Improvements for BIDI, including handling of padding-right, align="justify", and alignment in ERA.
- Improved handling of vertical-align.
- Improved handling of CSS 3 UI element states pseudo-classes.
- The align attribute will now apply to TR, TBODY, THEAD and TFOOT as well. Block-alignment will not be inherited from table or inline-table.
- @import is now supported in user stylesheets.
- Fixed handling of alternate stylesheets in XML.
- Added support for -o-text-overflow:ellipsis, synonymous to text-overflow:ellipsis in the current CSS 3 working draft.
- Updated display:inline handling on tables according to upcoming CSS2.1 specification update.
Changes to defaults
- Anonymous table cells in a display:table; now have a default vertical-align:middle;
- Form default margin-top is now 0, and margin-bottom now 1em.
- Several changes to the default margin and padding of legends and fieldsets.
Script
- getAttribute and related methods now retrieve the specified value of URIs, instead of resolved values.
- Improved DOM error reporting.
- Multiple fixes for XPath and XSLT.
- Fix to prevent reprocessing of scripts when a script element is moved through DOM.
- Enabled getElementById to retrieve elements based on attributes set to the ID type, by the DTD.
- Improved handling of the load event when navigating back and forward through history. See the knowledge base article for more details.
- Improved redrawing of table rows when dynamically changing styles.
- Added Node.text property, equivalent to Node.textContent
- Added support for the Element.currentStyle property.
- Canvas:
- Fix for rect() and fill().
- Added support for standard CSS color styles such as rgb() and color keywords.
- Improved handing of resizing the canvas.
- display:none on images in HTML no longer causes those images to fail to draw in canvas.
- Many path() fixes.
Forms
- Fix for selecting text with different sized fonts in rich text editing.
- Added support for inserthtml, contentreadonly, increasefontsize, and decreasefontsize in rich text editing.
- Rich text editing now allows selection of images.
- XHTML forms are no longer submitted if they do not have an action attribute.
- Added support for the datetime input type.
- Fix to allow inputs to have a large maxlength value.
- Improved keyboard accessibility of Web Forms inputs.
- Enabled the htmlTemplate property.
- Added support for the datalist element and list attribute.
- Added support for Web Forms 2.0 step="any".
- Added support for oninput and onforminput events.
- Removed support for maxlength on file inputs (this section of Web Forms 2.0 has also been changed).
- Added support for Web Forms 2.0 repetition.
Images
- Added support for YCCK and CMYK formats in JPEG images.
- Multiple improvements to SVG 1.1 basic and SVG DOM support.
Plug-ins
- Initial implementation of NPP_GetValue().
- Re-enabled scripting of plug-ins with Java using LiveConnect.
Security
- Updated expired TrustCenter root certificates.
- Fixed a TLS Extensions format error.
- Security bar is now greyed for sites using an encrypted connection, that have a low security rating.
Miscellaneous
- Rewrote server push handling.
- Fixed handling of target="_top" and target="_parent".
- Removed support for the Content-Location HTTP header as a base HREF.
- Site patching can now download certain site specific preferences as well as Browser JavaScript and user agent overrides.
- Multiple stability fixes.
Windows-specific changes
- Added experimental support for NTLM authentication.
- Fix for importing Internet Explorer favorites.
- When first run, Opera will attempt to import bookmarks from the default browser. Internet Explorer, Firefox, and Opera are supported.
- Known issues with widgets on Windows 95, 98, ME and NT:
- Widgets may fail to render correctly.
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