Siyao (Jane) He

yeah sure pls

We explored several alternatives for unit testing this memory leak fix but decided to give up testing it, as we could not find a reliable way to test the garbage...

We still need to figure out how `NodeStateEvent` and `DistanceEvent` refer to their `node`. Other than that, the update PR should have resolved all the other issues.

Solved the `NodeState` and `NodeDistance` problem as discussed. All the issues should be resolved now. I would appreciate a review :)

May you please merge apache/4.x to your branch?

We realize that `RequestTracker.getErrors` was used for ["errors from previous coordinators"](https://github.com/apache/cassandra-java-driver/blob/811acb2fe77464f679a09226a03c1995694c51b4/core/src/main/java/com/datastax/oss/driver/api/core/cql/ExecutionInfo.java#L105-L114). We want to discuss whether we should still stick to that. I started the conversation in the ASF slack...

The revapi thing is fixed and the vector similarity function is already supported by the existing `Function` term. I added tests for it as examples: https://github.com/apache/cassandra-java-driver/blob/19148d5cb9e2e2975a4d503358e9fae8737e0fcc/query-builder/src/test/java/com/datastax/oss/driver/api/querybuilder/select/SelectSelectorTest.java#L235-L274 In terms of the...

I assume @lukasz-antoniak comment [here](https://github.com/apache/cassandra-java-driver/pull/1952/files#r1793979356) about adding `getAnn()` in `DefaultSelect` should be addressed here. Thank you for your suggestion! It's added.