I use KNIME 3.7.2. on Mac OS. After deploying a workflow to the server I created a Snapshot with a comment that ranges over multiple lines.
In the KNIME version for Mac OS only one of those lines is displayed in the Comment column I the Server History window.
On Linux the full comment is displayed and everything works just fine.
Edit: there is also no way of scrolling or enlarging the column to see more lines.