Any plugin that doesn't access the file system directly but uses the appropriate file system and buffer manager APIs should work. But because we scale to 0 when

Any plugin that doesn't access the file system directly but uses the appropriate file system and buffer manager APIs should work. But because we scale to 0 when we detect no activity we might have issues with background tasks, so your milage may vary. Next, we have not yet optimized for replication outside Neon Cloud, nor do we have sideloading of extensions, so to use Debezium you'd have to self-host Neon for now.