更新说明：
Ext JS - JavaScript Framework
Release Notes for Ext JS 4.1.0 Beta 3
Release Date: Feb 17, 2012
Version Number: 4.1.0 Beta 3
Known Issues
Button
EXTJSIV-4768 Layout Managers - Border Layout: "Center" layout and "Splitter above me" layouts are overlapping when clicking three times on "Add Region" button.
EXTJSIV-5129 Button does not adhere to width setting in IE9
Charts
EXTJSIV-5007 Save button in chart examples should display popup panel to confirm save and then save image.
EXTJSIV-5024 Charts: Themed Line Charts: Wrong information shown on mouse hover in simple styling chart
EXTJSIV-5074 Hiding item in Column/Bar chart legend makes legend items disappear
EXTJSIV-5108 can't create label for type area series
Core
EXTJSIV-3710 LoadMask is broken in sandbox build
EXTJSIV-4942 Element#tgetWidth() returns an incorrect result for naturally widthed absolutely positioned elements in some cases.
Data
EXTJSIV-3316 Ext.ux.grid.FiltersFeature cannot restore state
EXTJSIV-3547 Ext.data.TreeStore fires no "insert", "remove", "update" event.
EXTJSIV-4319 Use a parameter other than 'id' for server calls
EXTJSIV-4335 Duplicate records when calling sync() on a autoSync store
EXTJSIV-4372 Grid Filtering Example: Bug with database return packet
Documentation
EXTJSIV-4296 Ext JS 4 and Sencha Touch Docs examples fail on Chromebook, can't use Example viewer, ReferenceError: Ext is not defined
EXTJSIV-5148 Ext.selection.Model documentation bug
EXTJSIV-5156 Update documentation that fields (id,text,leaf) are expected
Examples
EXTJSIV-4547 The Kitchen Sink example doesn't work properly on non-webkit browsers
EXTJSIV-4937 Combination Examples : Web Desktop : Notepad :Displaying errors in error console upon double clicking on empty space in the note pad.
EXTJSIV-5405 Combination Examples : Feed Viewer : Displaying Js error upon clicking on "Add feed" button for the second time in a specific scenario.
Forms
EXTJSIV-2081 Issue with "Bullet list" in the form widget editor
EXTJSIV-2425 HTMLEditor corrupted when changing background color of selection
EXTJSIV-2436 dynamic form_field alignment issues on ie6/7
Grid
EXTJSIV-5003 Locked Grid Columns + Cell Editor + Tab = JS Error
EXTJSIV-5206 Issues with buffered grid and loading mask in ExtJS 4.1
Layouts
EXTJSIV-3704 Ext.layout.container.Box: wrong children margins if using CSS rules
EXTJSIV-4655 BorderLayout region z-index too low when expanding/floating
Misc
EXTJSIV-3932 dom.style.setExpression not implemented in IE8
EXTJSIV-4091 Grid filters: initial value can be set, but it is not applied
EXTJSIV-4397 Drag Drop Manager doesn't select correct drop target
EXTJSIV-4421 x-tab-top-over never inserted into any element
EXTJSIV-4545 Kitchen Sink - Basic Tabs : By default tab headers are not displaying in Basic tabs.
EXTJSIV-4555 Loading the Finnish locale file will crash an application using Ext.util.Format.date
EXTJSIV-4563 Row Editing throwing error when used with locked columns in grid
EXTJSIV-457 DataView with multiSelect and drag-drop has bugs in selection
EXTJSIV-4844 Ext.data.Store -> autoDestroy config is missing
EXTJSIV-4873 Errors with add method in a container
EXTJSIV-4951 ToolBars and Menus : Basic Tool Bar : All States are not displaying in the combo box once the state is selected in the "Button w/ Menu" through key board .
EXTJSIV-4953 Localization(dynamic) : Displaying JS error upon selecting "Hebrew" from the Language selector.
EXTJSIV-4954 Store Grouping Not Cleared Properly
EXTJSIV-4955 Checkboxgroups W/ More Columns Than Checkboxes Throws JS Error
EXTJSIV-4956 Creating A Checkbox Group /w Hidden Field Throws JS Error
EXTJSIV-5000 Problems with DOM Id containing colon and DomeQuery.jsSelect with CSS escape notation
EXTJSIV-5075 NodeInterface "deep" copy only copies a single level
EXTJSIV-5103 Bug with Implicit Model / Store / MixedCollection / Proxy
EXTJSIV-5125 FiltersFeature - Updating column header class when using a column group
EXTJSIV-5130 Neptune theme missing resources
EXTJSIV-5254 HTMLEditor.insertAtCursor issues in "Source Edit"; mode
Tabs
EXTJSIV-3625 TabPanel: defaults: closable true not configurable
EXTJSIV-3719 The icon in tab is not centered vertically
EXTJSIV-4178 Positioning problem when using TabPanel and a custom stylesheet
EXTJSIV-5231 GroupTabPanel UX doesn't work as expected
Theme
EXTJSIV-3712 4.0.5 tabpanel shows blue strip in header in IE
Tree
EXTJSIV-4234 Overflow arrow not shown with container resize, overflow enabled and scale set to large
EXTJSIV-4243 Synchronous loading fails if async loading of same class is on going
EXTJSIV-4815 Trees -> Drag and Drop reordering: After clicking on 'Expand All' and 'Collapse All' tree is not behaving as expected.
Bugs Fixed
Animation
EXTJSIV-5358 Data view : Multisort Data View - Unpleasant flickering effect while sorting the items by click upon "Name" or "Type" buttons
Button
EXTJSIV-5294 Disabled Link Button Renders Incorrectly
EXTJSIV-5295 Link Buttons Without Text Render Incorrectly
Charts
EXTJSIV-5143 Axis isn't rendered when data points are undefined
EXTJSIV-5290 [4.1 beta 2] BUG Chart restoreZoom() function fails
Core
EXTJSIV-5244 Ext.layout.container.Container configureItem function needs fixed.
Data
EXTJSIV-4568 ComboBox clears filters on store when queryMode = 'local'
Documentation
EXTJSIV-5207 remove release notes link from doc index.html
EXTJSIV-5209 broken link in our main index.html "Learn more on sencha.com"
Examples
EXTJSIV-1635 The mask does not disappear completely in SpotLight example IE Quirks only
EXTJSIV-5192 Combination Examples : Kitchen sink :Displaying JS error upon clicking on "Grouped Grid" for the second time
Forms
EXTJSIV-4831 Text fields with natural width are sometimes too narrow.
EXTJSIV-5286 Forms: Checkbox /Radio Groups: Validation icon is wrongly displayed at "Alignment Test:" field when clicked on "Save" button
Grid
EXTJSIV-3632 Grid performance in IE with large number of columns
EXTJSIV-4828 Editing cell, the edit mask or the drop down shows up hidden and wrongly located
EXTJSIV-5184 Buffered Store's attempts to load prefetch buffer even if initial priming returned the full dataset.
EXTJSIV-5222 Grid items shift left in IE
EXTJSIV-5345 Grids (All Grids): Tool tip is displayed on top of the grid for the first time while swapping the columns
EXTJSIV-5346 Grids: Remote Summary Grid Example :Displaying JS error click upon "Due Date" Column header for the first time
Layouts
EXTJSIV-4483 Invalidating a layout must restore original size models for children
EXTJSIV-5198 Nested auto-sized containers do not resize properly 4.1 Beta 1
EXTJSIV-5265 Margin and Padding Settings with Shrink Wrapping
EXTJSIV-5329 Direct - Direct Form: "Direct form's" UI is disturbed, by default "Phone Numbers" and "Location Information" tab sections are not properly displaying
Misc
EXTJSIV-4902 Text fields sometimes appear too narrow.
EXTJSIV-5115 Grid doesn't update cells with renderers
EXTJSIV-5128 Sandbox Desktop throws js error on load
EXTJSIV-5139 4.1 Ext.Element.fly is undefined
EXTJSIV-5160 Combination Examples : Ext JS Calendar : Displaying js error while clicking on date on the left panel calendar when the "Add Event" screen is open on the right panel.
EXTJSIV-5161 Combination Examples : Ext JS Calendar : Add/Edit Event pop up box is not displaying properly up on click on any event matrix.
EXTJSIV-5164 Bug in commitRecords of Ext.data.Operation
EXTJSIV-5168 Form not responding to dirtychange events
EXTJSIV-5170 Unexpected layout on hide then show of auto layout
EXTJSIV-5172 Ext.button.Button - publishInnerHeight issue
EXTJSIV-5183 textfield width is not correct in 4.1.0 beta 1
EXTJSIV-5196 readOnlyCls do not work for any field
EXTJSIV-5197 Ext.getBody().dom is undefined after a viewport is destroyed
EXTJSIV-5200 Possible bug: Show tooltip at given position
EXTJSIV-5201 Encoding issue on textfiel
EXTJSIV-5211 Collapsing panel in vbox layout form doesn't fully collapse
EXTJSIV-5216 c is not a constructor message at the very first example
EXTJSIV-5225 4.1Beta2: getting the ProgressBar text is wrong the 1st time
EXTJSIV-5227 Performing operations on background window brings that window to front
EXTJSIV-5229 Inconsistent line endings
EXTJSIV-5241 Minor bug in Direct Proxy 4.1 Beta 2 w/fix
EXTJSIV-5252 "Show in Groups" checkbox is checked when the grid is not grouped
EXTJSIV-5255 IE JS error (Regression) in getXY
EXTJSIV-5256 grid autoHeight
EXTJSIV-5260 Ext.slider.Multi/Single increments don't stop at arbitrary points
EXTJSIV-5262 Ext.MessageBox.confirm close button not firing callback
EXTJSIV-5267 Cannot create hidden & disabled filefield
EXTJSIV-5275 Opacity not passed on to Ext.Layer shadow
EXTJSIV-5276 Ext.view.Table.collectData with rowexpander
EXTJSIV-5293 Unable to mix flex/width configs for grid columns in Firefox
EXTJSIV-5296 Infinite scrolling grid makes server call when bottom is reached
EXTJSIV-5297 PagingScrollbar doesn't ignore horizontal scrolling
EXTJSIV-5300 TextArea with grow sizes incorrectly based on the value of the TextArea
EXTJSIV-5328 Displaying JS error while accessing couple of ExtJs examples.
EXTJSIV-5333 Global varibable leak
EXTJSIV-5338 Load mask cannot be removed when animateTarget is set
EXTJSIV-5340 Ext.XTemplate no longer handles nested {parent} references
EXTJSIV-5388 Ext.FocusManager.enable() causes error in nightly builds from 2/14 and 2/15
EXTJSIV-5393 ComboBox needs 2 clicks to trigger
Panel
EXTJSIV-5264 Issues with collapsing and expanding panels - similar issue found in Ext JS border layout example
EXTJSIV-5330 Accordion & Border Layout Collapsed Size
Performance
EXTJSIV-5221 Frame Info Caching
Tabs
EXTJSIV-5304 Styling of Disabled Tabs
ToolTips
EXTJSIV-5210 QuickTips with fixed width "lock" to that width
Window
EXTJSIV-5122 Window header heights are sometimes incorrect