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consul/.changelog/10987.txt

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xds: fix representation of incremental xDS subscriptions (#10987) Fixes #10563 The `resourceVersion` map was doing two jobs prior to this PR. The first job was to track what version of every resource we know envoy currently has. The second was to track subscriptions to those resources (by way of the empty string for a version). This mostly works out fine, but occasionally leads to consul removing a resource and accidentally (effectively) unsubscribing at the same time. The fix separates these two jobs. When all of the resources for a subscription are removed we continue to track the subscription until envoy explicitly unsubscribes
2021-09-21 14:58:56 +00:00
```release-note:bug
xds: fixed a bug where Envoy sidecars could enter a state where they failed to receive xds updates from Consul
```