A new version (2.5.3) of SharePoint Planner is available to download with the following changes :-
- Milestones are now colour coded along with Timelines
- Correction to an error that occurred if a users regional settings (e.g. dd-mm-yyyyy) were different to a sites (e.g. mm-dd-yyyy).
You can simply download and install the new version – there is no need to remove the old version first.