I upgraded to 6.0.1 and loving it so far - seems to have fixed a performance issue for me.
However I have two breaking changes:
cardType=example no longer load - the project is empty when loaded. For now I just switched these to cardType=tutorial and added a step at the start. (Have workaround)
On load, it wants to jump straight into the editor instead of showing the home screen with the projects. Is there a new setting I need to set? (Need fix)