https://stackblitz.com/edit/ng-zorro-antd-start-roeg51
Open inactive nz-collapse-panel on Safari browser.
nz-collapse-panel is expected to open its contents when it turns out active.
An arrow icon on nz-collapse-panel keeps rotating whenever it is clicked but the contents never showed up once after they hided
| Environment | Info |
|---|---|
| ng-zorro-antd | 7.0.3 |
| Browser | Safari Version 12.0.3 (14606.4.5) |
Chrome works well as expected.
Every example in Collapse (https://ng.ant.design/components/collapse/en) has same problem on Safari.
Collapse also doesn't open panel at IE11
display: none style is not removed on IE11. @vthinkxie
Don't have Safari at hand. Maybe the same reason.

display: nonestyle is not removed on IE11. @vthinkxieDon't have Safari at hand. Maybe the same reason.
刚看了下,safari确实也是这样的.
Angular to blame (maybe?) https://github.com/angular/angular/issues/29371
Trying other properties such as visibility or opacity.
this would help
https://github.com/NG-ZORRO/ng-zorro-antd/pull/3216#issuecomment-483057694
Most helpful comment
display: nonestyle is not removed on IE11. @vthinkxieDon't have Safari at hand. Maybe the same reason.