[general] [change] A new deprecation "uber warning" is now emitted at runtime the
first time any SQLAlchemy 2.0 deprecation warning would normally be
emitted, but the SQLALCHEMY_WARN_20 environment variable is not set.
The warning emits only once at most, before setting a boolean to prevent
it from emitting a second time.
This deprecation warning intends to notify users who may not have set an
appropriate constraint in their requirements files to block against a
surprise SQLAlchemy 2.0 upgrade and also alert that the SQLAlchemy 2.0
upgrade process is available, as the first full 2.0 release is expected
very soon. The deprecation warning can be silenced by setting the
environment variable SQLALCHEMY_SILENCE_UBER_WARNING to "1".
[general] [bug] Fixed regression where the base compat module was calling upon
platform.architecture() in order to detect some system properties,
which results in an over-broad system call against the system-level
file call that is unavailable under some circumstances, including
within some secure environment configurations.
[orm] [bug] Fixed issue in the internal SQL traversal for DML statements like
_dml.Update and _dml.Delete which would cause among other
potential issues, a specific issue using lambda statements with the ORM
update/delete feature.
[engine] [bug] Fixed a long-standing race condition in the connection pool which could
occur under eventlet/gevent monkeypatching schemes in conjunction with the
use of eventlet/gevent Timeout conditions, where a connection pool
checkout that's interrupted due to the timeout would fail to clean up the
failed state, causing the underlying connection record and sometimes the
database connection itself to "leak", leaving the pool in an invalid state
with unreachable entries. This issue was first identified and fixed in
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Updates the requirements on sqlalchemy to permit the latest version.
Release notes
Sourced from sqlalchemy's releases.
... (truncated)
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