`8.3.17 (2025-11-07) <https://github.com/neos/flow-development-collection/releases/tag/8.3.17>`_
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Overview of merged pull requests
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`BUGFIX: Silence warnings in SimpleFileBackend <https://github.com/neos/flow-development-collection/pull/3513>`_
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``SimpleFileBackend`` does ``fopen()`` in a few places. It wraps it into a try-catch clause and checks the result, but it still produces a warning if the file does not exist:

``Warning: fopen(/application/Data/Temporary/…): Failed to open stream: No such file or directory``

The only way to suppress that warning is to use the shut-up operator (``@``) in these places.

See `#3438 <https://github.com/neos/flow-development-collection/issues/3438>`_


* Packages: ``Cache``

`BUGFIX: Support IPv6 in `getTrustedClientIpAddress()` <https://github.com/neos/flow-development-collection/pull/3491>`_
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When using IPv6, the method incorrectly returns invalid results. For an IPv6 address like ``2001:db8:cafe::17`` it would return ``2001``, which is wrong.


* Packages: ``Flow``

`TASK: More adjustments to correctly check parent class chains in proxies <https://github.com/neos/flow-development-collection/pull/3509>`_
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Follow up to: #3503

* Packages: ``Flow``

`TASK: Fix PHP deprecation warnings in unit tests <https://github.com/neos/flow-development-collection/pull/3514>`_
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* Packages: ``Flow``

`Detailed log <https://github.com/neos/flow-development-collection/compare/8.3.16...8.3.17>`_
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