Selecting multiple assets and clicking batch button to update multiple assets is working in other fields like description but not in custom fields/ custom metadata.
Thanks. We will be looking into it. You can follow the RoadMap over at https://trello.com/b/VyTSxfpf for any update
The issue is now resolved. We will update our servers in the coming 24 hours.
Thank you for reporting this and making Razuna better.