Modal add new property before-close.
Table add new property fixed-shadow.
Table column add new property hideSelectAll, which is used to disable the table header selection.
The property indexMethod of Table column has a new parameter index.
Page add new events @on-prev and @on-next.
Page property size has a new value of default.
Alert add new property fade.
The value of CheckboxGroup, Cascader, Slider, ColorPicker, Rate, DatePicker, TimePicker supports null values.
Fix the problem that the total is sometimes not displayed when the max-height property is set when using show-summary in Table. #969
Fix the problem that the null value cannot be changed when the Form is reset.
Fix DatePicker after version 4.6.0, when switching the year, the problem is displayed incorrectly.
Fix the problem that the focus style is wrong when DatePicker and TimePicker are in disabled state.
Fix the problem that Modal uses the fullscreen function in draggable mode incorrectly.
Fix the problem that the clear icon is sometimes incorrectly positioned when the Input is in the clearable state.
Fix the issue that the Select cannot create an entry when the initial candidate is empty in the allow-create mode. #926
Fix the problem that Select is in clearable mode with empty options, press the keyboard arrow keys to report an error. #917
Fix the problem that Select sometimes reports errors. #944
Fix the problem that the value of Select cannot be set to null.
Fix the problem that an error is reported when the value of Switch is set to null.
Fix the problem that the value of Cascader cannot be set to null.
Fix the problem that the value of Slider cannot be set to null.
Fix the problem that the values of DatePicker and TimePicker cannot be set to null.
Fix the problem that the value of Rate cannot be set to null.
Fix the problem that the value of ColorPicker cannot be set to null.
Adjust the style in Switch focus and hover state.
Adjust the clear icon in the AutoComplete clearable state.
Sinhala language added. #920
Modal 新增属性 before-close。
Table 新增属性 fixed-shadow。
Table 列 column 新增属性 hideSelectAll，用于禁用表头全选。
Table 列 column 的属性 indexMethod 新增参数 index。
Page 新增事件 @on-prev 和 @on-next。
Page 属性 size 新增值 default。
Alert 新增属性 fade。
CheckboxGroup、Cascader、Slider、ColorPicker、Rate、DatePicker、TimePicker 的 value 支持 null 值。
修复 Table 在使用 show-summary 时，设置 max-height 属性有时不显示合计的问题。#969
修复 Form 在重置时，无法改变 null 值的问题。
修复 DatePicker 在 4.6.0 版本后，切换年时，显示错误的问题。
修复 DatePicker、TimePicker 在 disabled 状态下，focus 时样式错误的问题。
修复 Modal 在 draggable 模式下，使用 fullscreen 功能样式错误的问题。
修复 Input 在 clearable 状态下，清空图标有时位置不正确的问题。
修复 Select 在 allow-create 模式下，初始候选项为空时，无法创建条目的问题。#926
修复 Select 在 clearable 模式下，候选项为空时，按键盘方向键报错的问题。#917
修复 Select 有时报错的问题。#944
修复 Select 的值无法置为 null 的问题。
修复 Switch 的值置为 null 时报错的问题。
修复 Cascader 的值无法置为 null 的问题。
修复 Slider 的值无法置为 null 的问题。
修复 DatePicker、TimePicker 的值无法置为 null 的问题。
修复 Rate 的值无法置为 null 的问题。
修复 ColorPicker 的值无法置为 null 的问题。
调整 Switch focus 且 hover 状态下的样式。
调整 AutoComplete clearable 状态的清空图标。
新增僧伽罗语。#920