For in-memory databases, queries with a "group by" column that is also a hash index threw a RuntimeException.

    Make ValueGeometry#getDimensionCount more reliable.
    Add unit test to check for illegal ValueGeometry comparison
    Add unit test for conversion of Geometry object into Object
    Add optional export to MANIFEST.MF for JTS Geometry classes
    Validate that geometry values can be represented in WKB.

Fix bug with ALLOW_LITERALS=NONE, where the periodic analyze table on insert would throw an exception.

Make org.h2.util.ScriptReader throw a better exception when handling broken scripts which generate extremely large statements.

Support the JDBC DatabaseMetaData#getClientInfoProperties() method, in the sense of returning an empty result, in order to make Websphere happy.

Query Statistics: new feature which stores the newest 100 SQL queries executed and their performance data.
Useful for tracking down badly performing queries.

MVStore table engine: new setting "retention_time" to configure the time to retain old data. The default is 45 seconds.

Session-temporary LOB's could sometimes accumulate, increasing the size of the DB file until shutdown.
Now they are cleared out at every commit.

contains extra information to make it possible for smart editors to do autocomplete.
Patch from Nicolas Fortin.

rename the newly introduced UNDO_LOG_SIZE column to CONTAINS_UNCOMMITTED, because that is more reliable than the size of the undo log

For read-only databases, for the trace level "debug", the trace info is written to the temp directory.