I have used extensively the v1 of Avogadro because of some very nice features, here is what I liked and what I think should be kept in the Avogadro2. Those features were not present in any of the other Linux software I tested
clicking on the atom automatically adds the H even if the atom was already drawn
give the ability to draw cycles in color to have a better visualization
When I prepare an XYZ file for DFT
conformational search using a given force field.
“live” geometry optimization, i.e. being able to move atoms during the optimization, in order to tweak and find a better energetic minimum.
export the XYZ file in the working directory and not in the previous path. This should be an option that users could select.
As a Ubuntu user, either make snaps instead of an AppImage or update deb files in the repo, in order to have a more seamless use of the software.
The DebiChem team makes deb files and last time I checked, @RizzerOnGitHub was encouraging us to let them do updates. Otherwise, the GitHub build servers run on Ubuntu, so it shouldn’t be too hard to produce them.