0.3.0

Added

• Atomic batch publishing — allow_atomic/allow_batched on StreamConfig, Nats-Batch-* header constants, and batch_id/batch_size on PublishAck (ADR-50, #922)
• Message schedules — allow_msg_schedules on StreamConfig and Nats-Schedule-* header constants (ADR-51, #923)
• Counter streams — allow_msg_counter on StreamConfig and value on PublishAck (ADR-49, #926)
• Stream sourcing with pre-created push-durable consumers — StreamConsumerSource on StreamSource (ADR-60, #921)
• Stream.reset_consumer() for the $JS.API.CONSUMER.RESET endpoint, plus ConsumerReset and ConsumerInvalidResetError (#920)
• persist_mode on StreamConfig for R1 async persistence (ADR-56, #929)
• Re-export of new from nats.jetstream (#880)

Fixed

• Stream.get_message() now raises MessageNotFoundError on a 404 from the direct-get path instead of leaking the underlying status error (#881)