I believe this to be a bug with Avogadro
Environment Information
Avogadro version: 1.96
Operating system and version:
MacOS Monterey 12.4
Expected Behavior
Read .Fchk file from Gaussian output and display the chemical structure
Actual Behavior
Double and triple bond are displayed as single bond
It could be corrected display if I use older version (1.2.0)
Steps to Reproduce
Please upload files if appropriate here (or via file-sharing service like Dropbox or Pastebin)