The size limits are defined here:
https://bazaar.launchpad.net/~ubuntu-cdimage/ubuntu-cdimage/mainline/view/head:/lib/cdimage/tree.py#L1894
The size limits are defined here:
https:/ /bazaar. launchpad. net/~ubuntu- cdimage/ ubuntu- cdimage/ mainline/ view/head: /lib/cdimage/ tree.py# L1894