Can you please respond on below queries,  

1. Is Qt 5.12 still expected to work on Scarthgap, or is it unsupported now? or with workaround is it possible?
2. Is Qt 5.15 still expected to work on Scarthgap, or is it unsupported now? or with workaround is it possible?
3. I supposed build meta-qt6.11? as per compatible layers it will support Scarth gap, but as per below snip it will not, can you suggest how i build these layers?