![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
![mat-expansion-panel keeps contents of collapsed panels in DOM · Issue #20680 · angular/components · GitHub mat-expansion-panel keeps contents of collapsed panels in DOM · Issue #20680 · angular/components · GitHub](https://user-images.githubusercontent.com/3027415/94566715-f24f3c00-026a-11eb-9c09-139061cd4181.png)
mat-expansion-panel keeps contents of collapsed panels in DOM · Issue #20680 · angular/components · GitHub
![Old Man Quote Accordion Rug, Accordionist Printing Floor Mat Carpet, A - Woobedding | Area rugs, Floor mats, Old man quotes Old Man Quote Accordion Rug, Accordionist Printing Floor Mat Carpet, A - Woobedding | Area rugs, Floor mats, Old man quotes](https://i.pinimg.com/736x/18/30/50/183050eacb94b52115154bb5883dfa06.jpg)
Old Man Quote Accordion Rug, Accordionist Printing Floor Mat Carpet, A - Woobedding | Area rugs, Floor mats, Old man quotes
![bug(mat-accordion): mat-accordion styles break 'position: sticky;' functionality · Issue #21914 · angular/components · GitHub bug(mat-accordion): mat-accordion styles break 'position: sticky;' functionality · Issue #21914 · angular/components · GitHub](https://user-images.githubusercontent.com/4450522/108736059-84fdb980-7531-11eb-8afa-42a234ec3b2b.gif)