You can now add a custom pass to Google Wallet right from the Android share sheet on your phone. Here's how it works.

It's easy to store documents like insurance cards and event passes to Google Wallet. Here's how to add and manage them.

This is a welcome change as you previously had to delete and then re-add your custom pass if you wanted to edit it. This option seems to be a gradual release for now, so you might have to wait to see ...