Once one of the best plugins but…

same – I have waited now I have taken the leap to change plugins to
https://www.mapsmarker.com/
its actually better supported, just now I have to migrate all my maps to this

You can try Leaflet Map and its Extensions.
https://leafext.de/en/elevation/sgpx/

??

Thanks for mentioning our plugin Maps Marker Pro as an alternative – we are currently analysing on how to best support users wanting to switch to our plugin.
If anyone is interested in this alternative and needs help with his or her custom setup, please start a free 30-days trial and open a helpdesk ticket & support crew will do their best to help.
Happy mapping!

Robert