Merge pull request voideditor#538 from voideditor/model-selection

1.3.5

Merge pull request voideditor#408 from voideditor/model-selection

o3 fallback

Merge pull request voideditor#401 from voideditor/model-selection

Model selection

Merge pull request voideditor#326 from voideditor/model-selection

Small (or empty) file editing

devmode