Addin files are only being loaded from the installation folder (usually C:\ProgramData\Autodesk\Revit\Addins\{VERSION}), so files found on %appdata%\Autodesk\Revit\Addins\ are omitted.
Proposed solutions
Add folder %appdata%\Autodesk\Revit\Addins\{VERSION} as default extra location to retrieve addin files from, and/or
Add optional parameter to define additional location(s?) where addin files can be saved, and at least
Specify this behaviour on the documentation (only loading addin files from ProgramData)
Issue
Addin files are only being loaded from the installation folder (usually
C:\ProgramData\Autodesk\Revit\Addins\{VERSION}
), so files found on%appdata%\Autodesk\Revit\Addins\
are omitted.Proposed solutions
%appdata%\Autodesk\Revit\Addins\{VERSION}
as default extra location to retrieve addin files from, and/orProgramData
)