Please add https://atom.io/beta
If it already exists please let me know
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[jadenjsj@JadenJSJ-Laptop ~]$ yay atom beta
1 aur/lammps-beta 20200721-1 (+1 0.03)  
   Large-scale Atomic/Molecular Massively Parallel Simulator
==> Packages to install (eg: 1 2 3, 1-3 or ^4)
==> ^C
[jadenjsj@JadenJSJ-Laptop ~]$ yay atom-beta
no packages match search
[jadenjsj@JadenJSJ-Laptop ~]$
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Thanks for your time and yes is valuable! 😀