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* Fixed: Drag and drop of links works correctly on Minefield 3.1b3pre.
* Improved: Dragging parent tab and dropping it out of the window tears off the subtree to a new window on Minefield 3.1b3pre.
* Improved: "Open a new tab" button can be hidden by checkbox on Minefield 3.1b3pre.
* Fixed: The checkbox for "List all tabs" button works correctly on Minefield 3.1b3pre.
* Improved: New tabs from SBM Counter ( http://miniturbo.org/ ) are opened as child tabs of the current tab.
* Fixed: Broken menu with Multiple Tab Handler ( http://piro.askura.ne.jp/xul/_multipletab.html.en ) disappeared.
* Fixed: Dropping of tabs works correctly on the blank are of the tab bar.
* Fixed: Works on Minefield 3.1b2pre.
* es-ES locale is updated. (by tito)
* it-IT locale is updated. (by Godai71)
* de-DE locale is updated. (by Andy Pillip)
* Fixed: "Bookmark Sub Tree" feature works with Tab Mix Plus.
* Improved: A new feature, "Bookmark this Tree" is available for tab context menu.
* Improved: Tab indentation is automatically adjusted by tab bar width.
* Fixed: Works with Menu Edit ( https://addons.mozilla.org/firefox/addon/710 ). Menu items of tab context menu are not duplicated anymore.
* Fixed: Works with Link Widgets ( https://addons.mozilla.org/firefox/addon/2933 ).
* Fixed: Works with FireGestures ( https://addons.mozilla.org/firefox/addon/6366 ) again.
* Fixed: Works with LastTab ( https://addons.mozilla.org/firefox/addon/112 ).
* Fixed: Tab indentation is correctly back after full screen mode is finished.
* Fixed: Content area are correctly rendered after auto-hide tab bar feature is disabled.
* Fixed: Links in web pages are correctly opened as child tabs automatically.
* Fixed: Secondary or later windows are initialized correctly.
* Fixed: Sub tree is correctly collapsed even if one of descendant tab is selected.
* Fixed: The number of closed tabs in warning dialog is corrected.
* Fixed: Sub tree structure of the current tab is correctly restored even if Session Manager ( https://addons.mozilla.org/firefox/addon/2324 ) is installed.
* Updated: German locale is updated.
* Updated: Italian locale is updated.
* Fixed: Tab Mix Plus can know a tab in vertical tab bar is visible or not. (If you like, you can take the old behavior back by changing "extensions.treestyletab.TMP.doNotUpdate.isTabVisible" to "true".)
* Fixed: Scroll position is correctly restored when a tab is closed in vertical tab bar.
* Modified: Tab appearance is changed a little.
* Fixed: Greasemonkey 0.8 or later is supported.
* Fixed: Keyboard shortcuts or other cases expand shrunken tab bar correctly.
* Fixed: In vertical tab bar, it is scrolled to the selected tab after a tab is closed.
* Fixed: Broken context menu on tabs disappeared, with the Multiple Tab Handler.
* Improved: Better full zoom support on Firefox 3.
* Improved: Better full screen support on Firefox 3.
* Fixed: Appearance on Mac OS X is corrected.
* Improved: Auto-hide of the tab bar is disabled while you drag scrollbars.
* Improved: New tabs from GM_openInTab of Greasemonkey are opened as child tabs of the current tab.
* Fixed: Configuration dialog works correctly with Minefield on Linux.
* Fixed: Tree structure is kept correct when top-level tabs are reopened.
* Fixed: Multiple bookmarks are opened as separate tabs even if Tab Mix Plus is available.
* Fixed: Works on Firefox 3 beta5.
* Added: German locale is available. (by Andy Pillip)
* Modified: Tab bar is shown in half-transparent appearance.
* Chinese locale is updated.
* Improved: Tab bar is shown as transparent, when it is placed to left, right, or bottom and auto-hide is available.
* Improved: Flash on auto show/hide of the tab bar decreased.
* Improved: New tabs opened by FireGestures ( https://addons.mozilla.org/firefox/addon/6366 ) become child tabs.
* Spanish locale is available. (by tito, Thanks!)
* Works on Minefield 3.0b5pre.
* Improved: Children tabs inherits the color of the parent tab if ColorfulTabs ( https://addons.mozilla.org/firefox/addon/1368 ) is available.
* Improved: New tabs opened by drag and drop in web pages with Super DragAndGo ( https://addons.mozilla.org/firefox/addon/137 ) or Drag de Go ( https://addons.mozilla.org/firefox/addon/2918 ) become children of the current tab automatically.
* Improved: Auto-tree feature (like above) can be disabled completely by a secret preference "extensions.treestyletab.autoAttachNewTabsAsChildren". If you don't want any tabs to be children automatically, you should turn it to "false".
* Fixed: Works with Tab Mix Plus 0.3.6.1.
* Fixed: Works with combination of Firefox 3 and Tab Mix Plus.
* Fixed: Works with FLST and Tabbrowser Preferences.
* Added: zh-CN locale is available. (by Fatiaomao, Thanks!)
* Improved: Toolbars beside the tab bar, provided by All-in-One Sidebar with a secret preference "extensions.aios.tbx.tabbar", are available on vertical tab bar. If you turn it to "true", customizable toolbars are shown on/below the vertical tab bar.
* Fixed: Some preferences are saved its user value correctly after the addon is re-installed.
* Fixed: Position of closeboxes in inverted rightside tabs are corrected.
* Fixed: New tabs from the location bar or other cases opened correctly. (it was a regression in 0.5.2008022701)
* Fixed: Became compatible to Highlander and PermaTabs (maybe)
* Fixed: A typo in en-US locale disappeared.
* Fixed: "Fix width of tab bar" state is restored correctly on every startup.
* Updated: Italian locale is updated. (by Godai71.Extenzilla)
* Fixed: Drag and drop actions work correctly on Firefox 3.
* Improved: Moving of tabs by drag and drop from other windows is available on Firefox 3.
* Improved: New option to fix width of the tab bar and hide splitter is available in the context menu of the tab bar.
* Fixed: Compatibility with some themes (iFox etc.) is improved.
* Fixed: Double clicking on the tab bar works correctly.