immediately before the commit is attempted (RT#107159)
- Work around unreliable $sth->finish() on INSERT ... RETURNING within
DBD::Firebird on some compiler/driver combinations (RT#110979)
+ - Really fix savepoint rollbacks on older DBD::SQLite (fix in 0.082800
+ was not sufficient to cover up RT#67843)
- Fix several corner cases with Many2Many over custom relationships
- Fix the Sybase ASE storage incorrectly attempting to retrieve an
autoinc value when inserting rows containing blobs (GH#82)