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2_9

2_9: Psycopg 2.9 released
@dvarrazzo dvarrazzo tagged this 16 Jun 15:28 
What's new in psycopg 2.9
-------------------------

- ``with connection`` starts a transaction on autocommit transactions too
  (:ticket:`#941`).
- Timezones with fractional minutes are supported on Python 3.7 and following
  (:ticket:`#1272`).
- Escape table and column names in `~cursor.copy_from()` and
  `~cursor.copy_to()`.
- Connection exceptions with sqlstate ``08XXX`` reclassified as
  `~psycopg2.OperationalError` (a subclass of the previously used
  `~psycopg2.DatabaseError`) (:ticket:`#1148`).
- Include library dirs required from libpq to work around MacOS build problems
  (:ticket:`#1200`).

Other changes:

- Dropped support for Python 2.7, 3.4, 3.5 (:tickets:`#1198, #1000, #1197`).
- Dropped support for mx.DateTime.
- Use `datetime.timezone` objects by default in datetime objects instead of
  `~psycopg2.tz.FixedOffsetTimezone`.
- The `psycopg2.tz` module is deprecated and scheduled to be dropped in the
  next major release.
- Provide :pep:`599` wheels packages (manylinux2014 tag) for i686 and x86_64
  platforms.
- Provide :pep:`600` wheels packages (manylinux_2_24 tag) for aarch64 and
  ppc64le platforms.
- Wheel package compiled against OpenSSL 1.1.1k and PostgreSQL 13.3.
- Build system for Linux/MacOS binary packages moved to GitHub action.
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