Bump WolverineFx from 6.19.0 to 6.21.0

[dependabot]

Updated WolverineFx from 6.19.0 to 6.21.0.

Release notes

Sourced from WolverineFx's releases.

6.21.0

Wolverine 6.21.0 is a big one: conjoined multi-tenancy for EF Core, and a measured messaging-performance wave across Kafka and RabbitMQ.

Conjoined multi-tenancy for EF Core (#​3465)

Mark an EF Core entity with ITenanted (the marker shared critter-stack-wide from JasperFx.MultiTenancy) and register your DbContext with AddDbContextWithWolverineManagedConjoinedTenancy<T>(), and Wolverine gives you what Marten users have had for years: a mapped tenant_id column, a tenant-bound global query filter you can't forget, stamp-on-insert, CrossTenantWriteException on cross-tenant writes, conjoined sagas, opt-in Weasel-managed physical tenant partitioning (PostgreSQL list partitions + SQL Server tenant-ordinal), and an authoritative wolverine_tenants registry that doubles as a dynamic tenant source and feeds CritterWatch tenant management. The behavior is checked against a port of Marten's conjoined-tenancy compliance battery. See the new ConjoinedMultiTenantedEfCore sample app and docs.

Messaging performance (GH-3490 / GH-3492)

A client-reported "Wolverine-over-Kafka is 3-12x slower than native" investigation turned into a measured optimization wave (methodology, rigs, and full ledgers are in the repo):

• Sender batching now flushes within the batch timeout (JasperFx 2.30.1). The batch timer was a quiet-period debounce — a steady 8 msg/s stream at the default (100, 250ms) settings measured 5.8 seconds publish-to-consume p50; it now measures 136ms, bounded by the timeout. Affects every transport that sends through the batched sender (RabbitMQ routes were unaffected — they don't).
• Durable (inbox-backed) listeners batch their inbox writes. Kafka: a 2,000 msg/s stream went from unbounded backlog to a steady 32ms delivery p50, max sustained durable throughput +83%. RabbitMQ: same load went from 14.7s-and-climbing to 0.8ms delivery p50, max sustained durable throughput +186% (1,086 → 3,101 msg/s). New MaximumMessagesToReceive listener knob on both (default 100; 1 restores strict message-at-a-time persistence).
• Kafka hot path: incoming envelope mapping ~21% faster / ~28% less allocation per message; outgoing ~17% faster; inline senders no longer issue a blocking full-producer flush per send. RabbitMQ's mapper gets the same incoming fix.
• Batch-arrival correctness: the Envelope[] arrival path now applies the same per-envelope guards as single-message arrival (interop serializer unwrap, dead-lettering of unidentifiable messages, expiry, drain latching), and batched inbox writes route to ancillary message stores correctly.
• SQS: SendMessageBatch per-entry failures (throttling, oversize) are now routed to Wolverine's retry machinery instead of being silently dropped — a silent message-loss fix (GH-3493).
• Out-of-the-box RabbitMQ consumption is Inline — one message at a time, which measures identically to an equivalent single-consumer raw-client loop. The new RabbitMQ "Performance Tuning" docs page covers scaling with BufferedInMemory() / ListenerCount() with measured numbers, and a matching page exists for Kafka.

Behavior changes to note

• The per-message "successfully processed" log now defaults to Debug (was Information) — restore with opts.Policies.MessageSuccessLogLevel(LogLevel.Information).
• wolverine-execution-time is now a floating-point histogram and no longer silently drops sub-millisecond executions (same name/unit; the point type changes).

Transports and messaging

• Azure Service Bus: PrefetchCount on listeners and transport defaults (GH-3471)
• SQS: native DelaySeconds for short scheduled sends on standard queues (GH-3472)
• Pulsar: native scheduled delivery via DeliverAt (GH-3470)
• Kafka: KIP-848 next-generation consumer rebalance protocol support (GH-3473)
• Standardized diagnostic headers on dead-letter and retry moves across all transports (GH-3474)
• SignalR cascading responses are no longer dropped when the HTTP context has already flushed (GH-3499)
• The dead-letter metric only counts genuine moves to the error queue (#​3495)
• Global partitioning docs now cover all eight sharded transports (GH-3466)
• Tolerate empty agent URI lists in agent command serialization (GH-3460)

HTTP / gRPC

• Code-first gRPC client streaming: IAsyncEnumerable<TRequest> -> Task<TResponse> handler shape (#​3500)
• Proto-first gRPC client streaming via the new StreamAsync<TRequest, TResponse> overload (#​3459)

Dependencies

JasperFx 2.30.1 (sender-batching max-age fix), Weasel 9.18.1, Marten 9.16.1.

6.20.0

Wolverine 6.20.0

Dependency upgrades (critter stack)

• Marten 9.16.0, Polecat 5.2.0, JasperFx 2.29.0, Weasel 9.17.0 (aligned across the stack).

Multi-tenancy & connection footprint

• Scope tenant scheduled-job polling to the owning node (GH-3376) — under Wolverine-managed distribution, nodes no longer open a scheduled-job polling connection to every tenant database; the footprint scales with databases, not nodes × databases. Plus daemon tracker-subscription leak hygiene.
• Polecat primary-store database-per-tenant (GH-3445) — IntegrateWithWolverine() now honors a database-per-tenant Polecat store and reads MainDatabaseConnectionString.
• DatabaseServerId sourced from DatabaseDescriptor.Port instead of re-parsing (jasperfx#​514).

CritterWatch / connection state

• Degrade-only connection state for Azure Service Bus, GCP Pub/Sub (GH-3237) and Kafka (GH-3454) listeners — heuristics only degrade to Reconnecting/Disconnected from real SDK callbacks; they never synthesize Connected, and resting state is Unknown.

Kafka

• Read record timestamps into SentAt and expose record headers on raw-JSON listeners (GH-3407).
• JsonSerializerOptions on raw-JSON endpoints now actually applies; PublishRawJson mapper registration fixed.
• Bounded the listener shutdown drain instead of awaiting forever (GH-3434).

Sagas

• SagaConcurrencyException now inherits JasperFx.ConcurrencyException (GH-3444) — existing OnException<ConcurrencyException>() policies now catch saga concurrency failures.
• Lightweight RDBMS saga provider treated as a catch-all so Marten/EF Core win precedence in mixed-storage hosts (GH-3443).

Other

• Ancillary Marten store now registers the event-subscription family interface aliases (GH-3438).
• F# code generation improvements (#​3437); TrackedSession not-tracked vs not-routed fix (#​3435).
• Buffered circuit-breaker tests re-scoped to the transport's non-durable contract (GH-3137); durability docs corrections.

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[dependabot]

Looks like WolverineFx is no longer updatable, so this is no longer needed.