Django-cid

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- Nothing changed yet.

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**Important:** This release drops compatibility with old, unsupported
versions of Python and Django (see details below). If you still use
those versions, you should pin ``django-cid < 3``.

- Add support of Django 3.2, 4.0, 4.1 and 4.2.

- |backward-incompatible| Drop support of Python 3.7 and prior
versions. Only Python 3.8 and later are supported.

- |backward-incompatible| Drop support of Django 3.0 and prior
versions. Only Django 3.1 and later are supported.

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- Add ``CID_SQL_STATEMENT_TEMPLATE`` setting to customize the position
of the correlation relative to the original SQL statement.
Contributed by Cauê Garcia Polimanti (CaueP).

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- Under Python 3.7 and later, use context variables (with the contextvars module)
instead of a thread-local variable to avoid state bleeding in concurrent code.

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- Add support of Django 3.1.

- Remove support of Python 3.5.

- :strike:`Under Python 3.7 and later, use context variables (with the contextvars module) instead of a thread-local variable to avoid state bleeding in concurrent code.` Version 2.2 had a bug that caused context variables to never be used. Thread-local variables were always used.

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* Add support of Django 3.0
* |backward-incompatible| Drop support of Django 2.1.