• Scroll, IndexList, ScrollNavBar, ScrollNav: fix scrolling bounce bug when iOS sys version >= 13.4. As https://github.com/ustbhuangyi/better-scroll/issues/978 .

Use 1.12.38

• Form: field & group 配置新增 key 字段
• Form: 新增 submitAlwaysValidate Prop 控制提交时是否校验所有字段

• Form: add new key config prop in field & group config
• Form: new submitAlwaysValidate Prop to control wether always validate all fields when submit

• Radio: 修复默认插槽模式下，v-model获取不到值问题
• Input: 增加 pattern Prop
• SegmentPicker: 修复隐藏没有动画问题
• TimePicker: 修复再次打开时选择项重置问题
• createAPI: 修复特殊情况下销毁时报错

• Radio: fix v-model can not get value in default slot mode
• Input: add pattern Prop
• SegmentPicker: fix no transition when hide
• TimePicker: fix selected item changed when reopen in some cases
• createAPI: fix destroy error in some cases

• Form: 修复只能第一次滚动到 invalid 字段问题

• Form: fix only first submit could scroll into first invalid field

• SegmentPicker: 修复不能隐藏bug #597

• SegmentPicker: fix can not hide bug #597

• Form: 添加 Field 项时应该更新状态值

• Form: 在 submit 事件中新增第三个参数（只有field组成的model值）

• Form: should update state value when add form field

• Form: new param(only model value with fields) insubmit event

• Scroll: 下拉动画异常 无法恢复位置 #559
• Input: 在ff上宽度异常 #567

• Scroll: PullDownRefresh can not reset position in some cases #559
• Input: min-width should be 0 in ff #567

• CheckboxGroup: 新增 colNum 控制展示列数
• Radio: 新增 colNum 控制展示列数

• CheckboxGroup: new prop colNum to control column number
• Radio: new prop colNum to control column number

• ScrollNav: 新增 scrollTo API
• ScrollNavBar: txts 新增和 labels 同步逻辑

• ScrollNav: new scrollTo API
• ScrollNavBar: update labels should update txts too