Release Notes 12.3.0 12.3.0 ChangesAll SwiftMQ distributions (client, CE, UR, HA) now require Java 11 or later. To use Streams Swiftlet with Java 15 or later you need GraalVM CE. More here.java9 parameter removed from start scripts.BugsSwiftMQ Client: Durable subscription clientID reset to default on HA reconnectEnhancementsPause / Activate message delivery per queue.SwiftMQ Explorer changed to handle the new activate command. ×