Bug Fixes
- angular: back button goes back to proper tab on angular 11.2.10 (#23238) (e436439), closes #23230
- react: remove hardware back button event listener when NavManager is unmounted (#23224) (c501da7), closes #23170
- slides: undefined error is no longer thrown after destroying and quickly re-creating ion-slides (#23239) (2ccaabb), closes #22289
- vue: components inside of ion-nav are now unmounted properly (#23240) (f2f41e2), closes #23233
- vue: overlay events can now be listened for without the "on" prefix, deprecated "on" prefix event listeners (#23227) (dab927d)