docs(messaging): add weekly updates 2026-05-11 (#442)

* docs(messaging): add weekly updates 2026-05-11

* delivery update

* chat update

* chore: clean up empty blocks

---------

Co-authored-by: Ivan FB <ivansete@status.im>
Co-authored-by: Jazz Turner-Baggs <473256+jazzz@users.noreply.github.com>

content/messaging/updates/2026-05-11.md

@@ -0,0 +1,51 @@
+---
+date: 2026-05-11
+tags:
+  - messaging-updates
+title: 2026-05-11 Messaging Weekly
+---
+
+# Logos Delivery
+
+## [Reliable Channel API — Developer Preview](2025-package-sds-in-reliable-channel-api.md)
+
+- [[Deliverable] Implement Reliable Channel API](https://github.com/logos-messaging/pm/issues/412)
+  - achieved:
+    - [Define persistence interface for SDS state](https://github.com/logos-messaging/nim-sds/pull/66)
+    - [fix: require participantId on newReliabilityManager](https://github.com/logos-messaging/nim-sds/pull/67)
+    - [Include nim-sds as a dependency in logos-delivery](https://github.com/logos-messaging/logos-delivery/pull/3820)
+  - next:
+    - [Implement persistence service in a separate thread](https://github.com/logos-messaging/logos-delivery/issues/3825)
+      - [Enhance package description for brokers.nimble](https://github.com/NagyZoltanPeter/nim-brokers/pull/8)
+      - [Add package brokers](https://github.com/nim-lang/packages/pull/3336)
+
+## [Support QUIC Transport in Logos Delivery](2025-support-discovery-research-and-libp2p-quic.md)
+
+- [[Deliverable] Trial QUIC](https://github.com/logos-messaging/pm/issues/324)
+  - next:
+    - feat: Implement QUIC support in logos-delivery (not blocked)
+    - QA-reproducible QUIC-in-Logos-Delivery used in Logos Delivery Simulator to validate QUIC support (blocked — see below)
+  - blockers:
+    - The following issue has been solved but we need a future nim-libp2p version with the fix: [nim-lsquic benchmark](https://github.com/vacp2p/10ksim/issues/242)
+
+# Logos Chat
+
+## [Chat — Group Conversations](2025-extend-chat-sdk-with-group-conversations.md)
+
+- Implement contact discovery
+  - achieved:
+   - Spike: LEZ as an account registry for discovery: https://github.com/logos-messaging/lez-contacts/pull/1#event-25362785806
+
+# Maintenance
+
+  - achieved:
+    - [adjust event defs to messaging-api implementation in logos-delivery](https://github.com/logos-co/logos-lips/pull/333)
+    - [rx_service: ensure fetch msgs query is performed when missing msg](https://github.com/logos-messaging/logos-delivery/pull/3849)
+    - [Evict peer instead of abrupt disconnect and avoid sending unnecessary store requests](https://github.com/logos-messaging/logos-delivery/pull/3857)
+    - [Deploy release v0.38.1 in waku.sandbox](https://github.com/logos-messaging/logos-delivery/issues/3810)
+    - [Service ports default to 0 (auto-assign)](https://github.com/logos-messaging/logos-delivery/pull/3828)
+  - next:
+    - [Use fixed array of ctx to avoid consuming all fds](https://github.com/logos-messaging/nim-ffi/pull/14)
+    - [Simplified FFI authoring with auto-generated C++ and Rust bindings](https://github.com/logos-messaging/nim-ffi/pull/15)
+    - [Improve config](https://github.com/logos-messaging/logos-delivery/pull/3866)
+    - [Lift Messaging API out of `Waku` into its own layer](https://github.com/logos-messaging/logos-delivery/issues/3865)