It will cost very little extra work to make a list of interfaces and stabilities now. And if the SQLite community sticks to its track record to date then going with better than Volatile should cost very little extra work to update SQLite releases in the future.
The only way this can require extra resources is if the SQLite community lets us down. It *could* happen. I just don't think it likely given their track record. As for the library version number, I cannot tell where 0.8.6 came from. Nico --