Timeline value not visible on MacOS

[rvavrik]

Dear developers,
the Paraver 4.12.0 on MacOS 15.4 doesn't show value in the center bottom part of a timeline window when hovering over the timeline with mouse pointer as it normally does on Linux desktops. Is it a limitation of the MacOS or a bug?

E.g. there should be dark red color with "Synchronization" as a value in the middle of the X axis label.

Thank you