When I use the measure tool on QGIS 3.22, about ellipsoidic method it says: "Coordinates has been transphormed in the choosen ellipsoid (EPSG: 7030)": this sounds strange because all CRS settings in my project are setted in EPSG: 32632.
I tried to check project and Measure tool settings options, but it looks that there are no way to customize the measure tool settings.