This is the Use this URL in Eclipse to install Papyrus Designer Update Site for Designer.
To install from this site, start up Eclipse 2021-03, then do: Help > Install New Software... > Copy this site's URL into Eclipse, and hit Enter. When the site loads, select the features to install, or click the Select All button. To properly resolve all dependencies, check [x] Contact all update sites during install to find required software Click Next, agree to the license terms, and install. You can also download Designer as individual zips for offline installation. See Designer product downloads.
Help > Install New Software... >
Select All
[x] Contact all update sites during install to find required software
Next
You can also download Designer as individual zips for offline installation. See Designer product downloads.
Check out the project's wiki page.
We'd greatly appreciate the assistance in testing and reporting of issues in our issue tracker.
The bleeding edge contains CI jobs with nightly builds, but nothing is stable or guaranteed. If you're using a Milestone and need a fix, you can update to the latest Nightly, or wait for the next Milestone.