collation with strength 0
What changes in collation with strength 0 compared with MongoDB and what your application has to do.
This difference is of the Stronger guarantee kind.
What MongoDB does
It accepts strength: 0 and the server reaches a state it should never reach.
What TeselaDB does
It refuses strength: 0 with BadValue, like any value outside 1 to 5.
What your application has to do
Use a strength between 1 and 5.