Insstalled everythin on a brand new laptop for the first time. Here I noticed that CMake 3.18 is needed even if the PPAs are used, which should not be the case imo. Now it is possible to use the default CMake on Ubuntu20.04 with the PPAs, and a newer CMake is only needed if compiled from source.
Furthermore, when installing open3d_slam glfw was missing as a dependency for me.
Insstalled everythin on a brand new laptop for the first time. Here I noticed that CMake 3.18 is needed even if the PPAs are used, which should not be the case imo. Now it is possible to use the default CMake on Ubuntu20.04 with the PPAs, and a newer CMake is only needed if compiled from source.
Furthermore, when installing open3d_slam glfw was missing as a dependency for me.