If the transaction log could not be truncated because of an uncommitted transaction, now "Transaction log could not be truncated" is written to the .trace.db file.

Prepared statements could only be re-used if the same data types were used the second time they were executed.

SCRIPT and RUNSCRIPT: the password can now be set using a prepared statement. Previously, it was required to be a literal in the SQL statement.

A persistent tree map (work in progress) which might replace the storage of the database at some point in the far future.

The shell script h2.sh did not work with spaces in the path. It also works now with quoted spaces in the argument list.

If the transaction log could not be truncated because of an uncommitted transaction, now "Transaction log could not be truncated" is written to the .trace.db file.

A persistent tree map (work in progress) which might replace the storage of the database at some point in the far future.

display transactionStart in JMX listSessions operation, useful for debugging long-running transactions

Modify ALTER TABLE ADD to support adding multiple columns in one command.

Issue 380: ALTER TABLE ADD FOREIGN KEY with an explicit index didn't verify the index can be used, which would lead to a NullPointerException later on.