Using custom category select walker to output the select dropdown in the appropriate fashion
removing commented code
adding hierarchical for the Milestone Types
whitespace cleanup
removing commented code
dynamic tabs for filtering
allowing navigation links to be clicked like normal ones
filtering of milestones by type
logic around the active navigation item, as well as the filtering URLs
Witty commentary when you don’t have any milestones for a certain filter.
removing unused HTML left from boilerplate
better unauthorized form stuff
Better logic for guests visiting a timeline that doesn’t have any milestones (or any for the current filter)