Hi @ed-spatialsauce,
Unfortunately, this may not be possible. Forked projects become completely their own project, and any changes made to the original project have no bearing on the forked version(if you want to change that, you’ll have to separately change it directly in the fork). You could work around this by creating checkpoints of your different versions, and making sure the fork is at the correct checkpoint. Refer to this thread - [SOLVED] How To Get Version Control Branch From Original Project In My Forked Project?.