The European Space Agency (THAT) just released theDEM Copenhagen is about 30m (GLO-30) making it freely available to any registered user, thus improving the DEM Copernicus 90m digital elevation model (GLO-90) released at the end of 2019.
Currently Copernicus DEM GLO-30 can be accessed through the FTP and Panda catalog with the data set names COP-DEM_GLO-30-DTED-PUBLIC and COP-DEM_GLO-30-DTED-PUBLIC respectively. Simple registration is needed (check here thesteps to follow to register).
Technical documentation on the different versions of the Copernicus DEM product is available atproduct manual.