Merge remote-tracking branch 'origin/main' into fix_pubsub_msg_id_type_inconsistency

newsfragments/770.internal.rst

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+Make TProtocol as Optional[TProtocol] to keep types consistent in py-libp2p/libp2p/protocol_muxer/multiselect.py

newsfragments/811.feature.rst

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+ Added Thin Waist address validation utilities (with support for interface enumeration, optimal binding, and wildcard expansion).

newsfragments/811.internal.rst

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+Add Thin Waist address validation utilities and integrate into echo example
+
+- Add ``libp2p/utils/address_validation.py`` with dynamic interface discovery
+- Implement ``get_available_interfaces()``, ``get_optimal_binding_address()``, and ``expand_wildcard_address()``
+- Update echo example to use dynamic address discovery instead of hardcoded wildcard
+- Add safe fallbacks for environments lacking Thin Waist support
+- Temporarily disable IPv6 support due to libp2p handshake issues (TODO: re-enable when resolved)

newsfragments/822.feature.rst

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+Added `Random Walk` peer discovery module that enables random peer exploration for improved peer discovery.

newsfragments/855.internal.rst

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+Improved PubsubNotifee integration tests and added failure scenario coverage.

newsfragments/859.feature.rst

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+Fix type for gossipsub_message_id for consistency and security

newsfragments/863.bugfix.rst

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+Fix multi-address listening bug in swarm.listen()
+
+- Fix early return in swarm.listen() that prevented listening on all addresses
+- Add comprehensive tests for multi-address listening functionality
+- Ensure all available interfaces are properly bound and connectable