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Update unreal sdk to use v3 websocket api #4764

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Update unreal sdk to use v3 websocket api #4764

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eb50885
Update unreal sdk to use v3 websocket api
joshua-spacetime Apr 9, 2026
311518e
Add Unreal v3 websocket integration tests
joshua-spacetime Apr 9, 2026
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4 changes: 3 additions & 1 deletion sdks/unreal/DEVELOP.md
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Expand Up @@ -9,6 +9,9 @@ come from SpacetimeDB codegen (`--lang unrealcpp`) and websocket schema definiti

This is not automated; regenerate manually whenever websocket message schemas or Unreal codegen behavior changes.

The Unreal SDK still uses generated WS v2 logical message bindings (`ClientMessageType.g.h`, `ServerMessageType.g.h`).
The WS v3 transport envelope is implemented manually in `Connection/WebsocketV3Frames.h`, because it is only a thin wrapper around already-encoded v2 messages rather than a new logical message schema.

## WS v2 websocket schema regeneration workflow

Run from repo root:
Expand Down Expand Up @@ -79,4 +82,3 @@ Here's an example of how to include `AdditionalPluginDirectories` in your `.upro
```



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