A dynamo file opens as a blank

[john_pierson]

[faq] My .dyn/.dyf file from 2.12/2.13 won't open in older versions of Dynamo

Users recently reported a bug that made its way into Dynamo 2.12. symptom You may find that upon opening newer Dynamo files in older Dynamo versions, that nothing appears to happen. There is no error, and no crash, but the selected file does not open. example: why In Dynamo 2.12 we started serializing (saving) dropdowns and selection nodes when these nodes were marked as inputs, when we had not before. how to fix it there are a few ways to work around this problem: use the experimental…