v2.4.1

Datetime

• [fix] Re-render when readonly is changed #1593
• [feature] Support prop:default-selected-value #1576

Picker

• [fix] Fix a bug caused by unexpected end of json value #1584

PopupPicker

• [fix] popup-picker-header add touchmove.prevent event #1596

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Datetime

• [fix] readonly 值变化时重新渲染 #1593
• [feature] 支持通过 prop:default-selected-value 设置默认选中日期 #1576

Picker

• [fix] 修复json格式不正确引起的bug #1584

PopupPicker

• [fix] popup-picker头部区域屏蔽滑动事件 #1596