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iOS15.4特定写法下高度塌陷（iOS14.7正常）The height is collapsed under the specific writing method of iOS15.4 (iOS14.7 is normal)
iOS15.4特定写法下高度塌陷（iOS14.7正常）
| 框架类型 | 问题类型 | 操作系统 | 操作系统版本 | 手机型号 | 微信版本 |
| 小程序 | Bug | iOS | iOS15.4 | iPhone12 Pro Max | 8.0.18 |
<view style="display:flex;flex-direction: column;"> <view style="display:flex;flex-direction: column;flex:1; height: 200px;"> <scroll-view scroll-y style="flex: 1;overflow: hidden;"> <view class="card">测试占位1</view> <view class="card">测试占位2</view> <view class="card">测试占位3</view> </scroll-view> </view></view>
这段代码在 iOS 15.4 与 iOS 14.7 上表现不同，如图所示：
请忽略上面样式代码有些不太规范的地方，主要想咨询一下为什么两个iOS版本会有不同的表现，以及iOS15.4是否还有其他场景与历史版本样式表现不同。
其他信息：
- iOS 15.4 微信版本号 8.0.18
- iOS 14.7 微信版本号 8.0.17
Framework type problem type operating system operating system version mobile phone model wechat version applet bug IOS ios15 4 iPhone12 Pro Max 8.0.18 < view class = "card" > test placeholder 1 < / View > < view class = "card" > test placeholder 2 < / View > < view class = "card" > test placeholder 3 < / View > < / scroll View > < / View > < / View > this code performs differently on IOS 15.4 and IOS 14.7, as shown in the figure: please ignore some irregularities in the above style code, I mainly want to ask why the two IOS versions have different performance, as well as IOS 15 4 is there any other scene that is different from the style of the historical version. Other information: IOS 15.4 wechat version number 8.0.18 IOS 14.7 wechat version number 8.0.17 code fragment https://developers.weixin.qq.com/s/O2Lt2Kmb7ExK
ios15.3.1正常，我升级下15.4