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### Reproduction link
[https://stackblitz.com/edit/angular-fpt2f5-ulf722?file=src%2Fapp%2Fapp.component.ts](https://stackblitz.com/edit/angular-fpt2f5-ulf722?file=src%2Fapp%2Fapp.component.ts)
###…
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### Reproduction link
[https://codesandbox.io/s/ng-zorro-antd-ivy-forked-59ozsr](https://codesandbox.io/s/ng-zorro-antd-ivy-forked-59ozsr)
### Steps to reproduce
1. clear `` value.
2. input some…
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### Reproduction link
[https://stackblitz.com/edit/ng-zorro-antd-ivy-tkj3pc](https://stackblitz.com/edit/ng-zorro-antd-ivy-tkj3pc)
### Steps to reproduce
1. created a helloworld component and use…
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### Reproduction link
[https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/components/select/demo/select-users.ts](https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/components/select/demo/selec…
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### Reproduction link
[https://stackblitz.com/edit/ng-zorro-antd-ivy-qy7guw](https://stackblitz.com/edit/ng-zorro-antd-ivy-qy7guw)
### Steps to reproduce
最后一项 看不到子菜单的第一项
### What is expected?…
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### Reproduction link
[https://stackblitz.com/edit/ng-zorro-antd-ivy-puecur](https://stackblitz.com/edit/ng-zorro-antd-ivy-puecur)
### Steps to reproduce
在重现链接页面上，点击每个方块
### What is expected?
…
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### Reproduction link
[https://stackblitz.com/edit/ng-zorro-antd-ivy-f6w1tx](https://stackblitz.com/edit/ng-zorro-antd-ivy-f6w1tx)
### Steps to reproduce
expand the row
### What is expected?
…
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### Reproduction link
[https://stackblitz.com/edit/ng-zorro-antd-ivy-vknmbx?file=src/app/app.component.ts](https://stackblitz.com/edit/ng-zorro-antd-ivy-vknmbx?file=src/app/app.component.ts)
### S…
HsinM updated
3 years ago
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### Reproduction link
[https://www.stackblitz.com/](https://www.stackblitz.com/)
### Steps to reproduce
Make tabs and show when this error appears
Uncaught TypeError: Cannot read properties of…
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# English Version
> This guide applies to the current version ng-zorro-antd >= 13;
> If you encounter problems during the upgrade process, feel free to comment here.
> If you find any errors in t…