Guard StreamEngine handshake against null peer identity when RecvIden…

…tity is enabled (#1160)

Fix null peer identity handling in StreamEngine handshake

Fix thread-unsafe concurrent modification of m_pipes in SocketBase.Pr…

…ocessTerm (#1154)

* Initial plan

* Fix thread-unsafe concurrent modification of m_pipes in SocketBase.ProcessTerm

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Co-authored-by: drewnoakes <350947+drewnoakes@users.noreply.github.com>

* Replace List<Pipe> with ImmutableArray for thread-safe m_pipes, add regression test

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Co-authored-by: drewnoakes <350947+drewnoakes@users.noreply.github.com>

* Scope System.Collections.Immutable to non-CoreApp TFMs, upgrade to 10.0.7

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* Fix two pre-existing flaky tests: MultiplePublishers ordering race and ReceiveMessageWithTimeout AutoResetEvent self-consumption

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: drewnoakes <350947+drewnoakes@users.noreply.github.com>

Merge pull request #1149 from lge-ros2/feature/copilot/claude/opus4_6…

…/implement_UDP

feat: Implement UDP transport support

Merge pull request #1145 from chrbauer/update/net10

Upgrade net8.0 -> net10.0

Add INetMQMonitor interface to enable mocking in tests (#1138)

Add INetMQMonitor interface and update NetMQMonitor to implement it

Co-authored-by: drewnoakes <350947+drewnoakes@users.noreply.github.com>

Merge pull request #1132 from chrbauer/feature/linux-tcp-keepalive

Support Tcp KeepAlive under Linux (.net8 only)

Merge pull request #1128 from chrbauer/feature/net8-target-added

Add net8.0 target and increase net47 to net472

Merge pull request #1126 from chrbauer/feature/disconnect-msg-for-master

Add Support for Disconnect Message

Merge pull request #1122 from drewnoakes/fix-1080-stable-hash

Use a stable hash function for computing IPC port

Merge pull request #1111 from LiorBanai/master

modernize repository