Non-admin users could not open a database using a mode (MODE=xxx) if the database was already open, even if the mode matched.

The SQL state of the following exceptions has been changed: From 90009, 90010, 90011 to 22007: "Cannot parse DATE/TIME/TIMESTAMP constant ...".

There is a problem when opening a database file in a timezone that has different daylight saving rules.

There is a problem when opening a database file in a timezone that has different daylight saving rules.

Access to system tables is now more restrictive for non-admin users (the tables can be still listed and read, but some of the data is not included).

The default expression of a column may no longer reference the table, because a database with such a table couldn't be opened normally.

Referenced objects in check constraints could be dropped, which resulted in a database that can't be opened normally.

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