spark

[SPARK-56019][SQL] Close JDBC connection on task kill to unblock native socket reads

[SPARK-56407][BUILD][TESTS] Remove pre-built class files and JARs used in artifact transfer tests

[SPARK-56302][CORE] Free task result memory eagerly during serialization on executor

[SPARK-56338][INFRA][FOLLOWUP] Support MAVEN_MIRROR_URL in SBT launcher bootstrap

[SPARK-56397][BUILD] Upgrade `ICU4J` to 78.3