- Update to 2.3.2:
* Set ``Vary: Cookie`` header when the session is accessed, modified, or
refreshed.
* Update Werkzeug requirement to >=2.3.3 to apply recent bug fixes.
* Restore deprecated ``from flask import Markup``.
* Drop support for Python 3.7.
* Update minimum requirements to the latest versions.
* Remove previously deprecated code.
* Importing ``escape`` and ``Markup`` from ``flask`` is deprecated.
* The ``app.got_first_request`` property is deprecated.
* The ``locked_cached_property`` decorator is deprecated.
* Signals are always available. ``blinker>=1.6.2`` is a required dependency.
* Signals support ``async`` subscriber functions.
* Remove uses of locks that could cause requests to block each other very
briefly.
* Use modern packaging metadata with ``pyproject.toml``.
* Ensure subdomains are applied with nested blueprints.
* If a blueprint is created with an empty name it raises a ``ValueError``.
* ``SESSION_COOKIE_DOMAIN`` does not fall back to ``SERVER_NAME``.
* The ``routes`` command shows each rule's ``subdomain`` or ``host``
when domain matching is in use.
* Use postponed evaluation of annotations.
- Switch to pyproject macros.
- Delete unneeded .gitignore files, update rpmlintrc