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Preserve Switch subscription ownership across reentrant handoffs #1188

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Preserve Switch subscription ownership across reentrant handoffs #1188

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Preserve Switch subscription ownership across reentrant handoffs
dwcullop Sep 21, 2026
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Document Switch subscription ownership semantics
dwcullop Sep 21, 2026
bcbfd03
Merge branch 'main' into u/dacullop/main/switch-subscription-ownership
dwcullop Sep 22, 2026
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2 changes: 2 additions & 0 deletions .github/instructions/dynamicdata-cache.instructions.md
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Expand Up @@ -794,6 +794,8 @@ FIFO eviction when cache exceeds a size limit.

`IObservable<IObservable<IChangeSet<T,K>>>` → subscribes to the latest inner observable, disposing previous.

The previous subscription is released before its replacement starts. Reentrant selection during reset, disposal, or initial delivery cannot activate a superseded source or dispose the newest subscription. Outer completion waits for the selected inner source, while errors and disposal cancel pending activation.

### RefCount

Shares the upstream subscription with reference counting.
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