https://github.com/Tommertom/svelte-ionic-npm/issues

9 known issues with the ionic-svelte integration:

• how to import without typescript
• ion-nav-link component
• ion-back-button needs explicit href to show
• ion-nav multiple push does not work
• ion-footer on modal does not look pretty (with controller)
• real ionic transitions on ionpage
• bind:value does not work - (svelte & custom component issue)
• item-sliding does not slide (ionic/core solution needed)
• no ionViewWillLeave in IonPage (needed svelte hook not exposed for library authors)