Feature requests

Add dark mode UI variant and allow toggling between light/dark in Settings

Ability to quickly duplicate an expense. All all the information from the expense should be copied over. Except the date should be changed to the current date.

It would be great being able to select multiple expenses and do actions on them as a group, such as Deleting.

So you can input: 3 + 4 and it will compute the math for you, so you can be more efficient and not leave the web app to do splits math when needed.

Ability to add custom payment service fields (title and value) for users external to the US that do not have access to US specific payment services. Custom field does NOT need to connect to external services and should be used as a reference only.

An Info field which can be viewed and edited by each group user would be nice. This can be useful to inform the members about: eg. Address of the holiday home, doorcode,...