Hi Pascal,
Is there any documentation available around database compatibility across BaseX versions?
The database layout has been changed with Version 7.1 and 7.8 of BaseX (see the history of the DataText class, and the STORAGE variable, for more information [1]).
for quite a long time now, we have been ensuring the backward compatibility of databases. This means that you shouldn't encounter any problems when opening databases that have been created with older versions of BaseX. This does not hold for the other direction, though.
Christian
[1] https://github.com/BaseXdb/basex/blob/master/basex-core/src/main/java/org/ba...