![angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow](https://i.stack.imgur.com/Y8Pe2.png)
angular - mat-expansion-panel, content doesnt recover his original height after closing a panel - Stack Overflow
![mat-expansion-panel "opens" with angular enter-leave animations, although current state is closed. · Issue #11765 · angular/components · GitHub mat-expansion-panel "opens" with angular enter-leave animations, although current state is closed. · Issue #11765 · angular/components · GitHub](https://user-images.githubusercontent.com/3656278/53063817-619f6000-347a-11e9-9e88-19d896beeb16.png)
mat-expansion-panel "opens" with angular enter-leave animations, although current state is closed. · Issue #11765 · angular/components · GitHub
Feature request: Default option values for Expansion Panel Header collapsed/ expanded heights · Issue #14383 · angular/components · GitHub
![angular - Programmatically collapsing a mat-expansion-panel gets it out-of-sync with expansion by mouse clicks - Stack Overflow angular - Programmatically collapsing a mat-expansion-panel gets it out-of-sync with expansion by mouse clicks - Stack Overflow](https://i.stack.imgur.com/71XLj.png)
angular - Programmatically collapsing a mat-expansion-panel gets it out-of-sync with expansion by mouse clicks - Stack Overflow
![angular - How do I set an initially opened expansion panel to be closed by default? - Stack Overflow angular - How do I set an initially opened expansion panel to be closed by default? - Stack Overflow](https://i.stack.imgur.com/zpuYM.gif)