If I enable the new workspace filter add-ons feature, some add-ons that I have enabled in Blender preferences window do not show up in the filter panel. For example, I have the import AutoCAD DXF add-on enabled in the Blender preferences window but it doesn't show up in the workspace filter add-ons panel.

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The result is that it isn't available in the file import formats list. Does this feature have to be supported in each add-on or am I missing something? Are there any workarounds other than creating another workspace just for importing various file types? Thanks.

  • $\begingroup$ The issue is that in WORKSPACE_PT_addons(properties_workspace.py) the listed add-ons are checked for use_owner key in their bl_info. The import and export add-on don't have this set, which is why they get excluded when use_filter_by_owner is set to true (the checkbox next to "Filter Add-ons"). I'm not familiar with this part of the code, therefore I'm not sure why the import export add-ons don't have an owner. $\endgroup$ Commented Nov 9, 2019 at 14:07
  • $\begingroup$ Thanks. I created a separate workspace just for imports and exports. Maybe it will get sorted out in a future release. $\endgroup$
    – FredLarson
    Commented Nov 10, 2019 at 21:26

1 Answer 1


As a quick workaround, you could change the "category" in the bl_info section to one of the supported ones. Though "Import-Export" is listed as supported for filtering, it currently is not.

You should be able to filter them after changing, good for maintain addons via workspace.

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