Please write a simple SQL query showing the issue. Your test is dependent on templates and needs to be dissected.
The next point release, date not yet determined.
Please test without connection pool. I will check this before the next release and if there is a regression it will be fixed.
Most properties are applied to a new database at the time of creation. Make sure the database files do not exist.
The cache size prop must be in kilobytes, in this case 128000.
JDBCSQLXML fails to compile with JDK 26+
Thanks for reporting. I agree with your suggestion. This will be applied to SVN.
Thanks for your interest. HSQLDB is supported by OSS-Fuzz. You are welcome to run assessments and report via OSS-Fuzz bug report system and coordinate disclosure with us via email.