Unable to change invoice page size in v5

Hello,
I am currently using v4 and it has a good feature of changing page size i.e. we can change invoice size from A4 to A5 but in new version I am unable to locate how to do so.

Please help me regarding the same.

Hi,

This isn’t yet supported in the app settings but there is a workaround detailed here:

Thank you for answering!