PSD is old. Really old. It's no surprise it's a ball of hacks. New features, architecture changes, etc. likely accumulated an awful lot of cruft in the 30 or so

PSD is old. Really old. It's no surprise it's a ball of hacks. New features, architecture changes, etc. likely accumulated an awful lot of cruft in the 30 or so years it has been in use. It may be time to create a portable format that holds the same information than a PSD (but using a saner structure).