0.12 - add auto_checkpoint 0.11 - Enable locking by default - Add deadlock detection (enabled by default) - txn_begin/txn_commit/txn_rollback no longer take arbitrary transaction arguments due to deadlocks caused when not reenabling the parent transaction after rolling back a child transaction. 0.10 - Try to not die if DB_MULTIVERSION isn't defined and the user is not trying to use it 0.09 - Add version detection logic - Better diagnostics in test suite 0.08 - In the test suite, report $BereleyDB::Error whenever a status assertion fails. 0.07 - Only evaluate DB_TXN_SNAPSHOT when it will actually be meaningful to avoid errors on BDB versions that don't support it 0.01-0.06 - Initial release cycle