Cross-tab sync

[Martin-Pitt]

There is a standardised storage event that allows you to sync changes to the storage objects across multiple tabs.

E.g. if the user opens the bullet journal in another or you have a different app that wants to re-use the same storage info, it would be able to keep track of the latest changes. Allowing for avoiding overwriting user data due to an outdated second tab, or allowing different apps and views to exist.

https://developer.mozilla.org/en-US/docs/Web/API/Web_Storage_API/Using_the_Web_Storage_API#Responding_to_storage_changes_with_the_StorageEvent