codenames are always there, for example the current version codename is Redstone 5, while October Update is just the public name.
There is a new option being tested by select Insiders starting with 18272. From Jen “Something new we're rolling out that I figured you guys would appreciate - basically if you right-click on a group name or tile folder in Start you'll now get an option to unpin the whole thing. Makes it a lot faster to start fresh. Currently this is available for 50% of Insiders on Build 18272 - we'll let you know when it rolls out to the rest of the people on this build,” “It's totally random, yeah - doing a side by side reliability comparison to ensure that introducing this change goes as smoothly as possible. Should come to everyone in the next few weeks, but will keep you posted,”