This is so important - the 8 character libref is foundational. It's also necessary for customers looking to get the most out of Data Controller for SAS® (https://datacontroller.io) as this uses librefs in URLs. We'll be sure to share this article, thanks!

For info, a number of macros for dealing with libraries in metadata can also be found here: https://core.sasjs.io/dir_0d92069d5a23b1d3125c326d74f1a07c.html