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docs(unreal): add thread stackwalk mode setting for native backend #19128

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12 changes: 12 additions & 0 deletions docs/platforms/unreal/configuration/native-backend/index.mdx
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Expand Up @@ -49,6 +49,18 @@ Available modes:
- `NativeStackwalking` - Walk the stack client-side in the crash daemon and send a JSON event with stack traces. No minidump is generated, resulting in faster uploads and smaller payloads.
- `NativeStackwalkingWithMinidump` (default) - Perform client-side stack unwinding and also attach a minidump for deep debugging when needed.

### Thread Stackwalk Mode

Controls which threads have their stack walked client-side. You can adjust this in **Project Settings > Plugins > Sentry > General > Native > Thread stackwalk mode**.

Available modes:
- `CrashedThreadOnly` - Walk the crashed thread only. The remaining threads are still reported with their id and name, but without a stack trace.
- `AllThreads` (default) - Walk every thread of the crashed process, providing the most context.

Walking every thread of an application with a high thread count, such as an editor build, can noticeably delay crash processing. Switching to `CrashedThreadOnly` keeps the crashed thread's stack trace intact while shortening the time needed to collect a crash.

This setting applies only when client-side stack unwinding is enabled, i.e. when the crash reporting mode is `NativeStackwalking` or `NativeStackwalkingWithMinidump`.

### Enabling Network Access on macOS

<Alert>
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