diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/build/changelog/changelog_10.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/build/changelog/changelog_10.rst b/doc/build/changelog/changelog_10.rst index 85681fbba..48b94c07a 100644 --- a/doc/build/changelog/changelog_10.rst +++ b/doc/build/changelog/changelog_10.rst @@ -24,6 +24,16 @@ on compatibility concerns, see :doc:`/changelog/migration_10`. .. change:: + :tags: feature, orm + :tickets: 3307 + + Mapped state internals have been reworked to allow for a 50% reduction + in callcounts specific to the "expiration" of objects, as in + the "auto expire" feature of :meth:`.Session.commit` and + for :meth:`.Session.expire_all`, as well as in the "cleanup" step + which occurs when object states are garbage collected. + + .. change:: :tags: bug, mysql The MySQL dialect now supports CAST on types that are constructed |