Configuration properties change between `3.1.0-M2` and `3.1.0-RC1`

== Deprecated in `3.1.0-RC1`
None.



== New in `3.1.0-RC1`
|======================
|Key  |Default value |Description
|`management.endpoint.health.validate-group-membership` |`true` |Whether to validate health group membership on startup.
|`management.otlp.metrics.export.aggregation-temporality` | |Aggregation temporality of sums.
|`management.otlp.tracing.compression` |`none` |The method used to compress the payload.
|`management.otlp.tracing.endpoint` |`http://localhost:4318/v1/traces` |URL to the OTel collector's HTTP API.
|`management.otlp.tracing.headers` | |Custom HTTP headers you want to pass to the collector, for example auth headers.
|`management.otlp.tracing.timeout` |`10s` |Call timeout for the OTel Collector to process an exported batch of data.
|`spring.activemq.broker-url` | |URL of the ActiveMQ broker.
|`spring.activemq.close-timeout` |`15s` |Time to wait before considering a close complete.
|`spring.activemq.non-blocking-redelivery` |`false` |Whether to stop message delivery before re-delivering messages from a rolled back transaction.
|`spring.activemq.packages.trust-all` | |Whether to trust all packages.
|`spring.activemq.packages.trusted` | |Comma-separated list of specific packages to trust (when not trusting all packages).
|`spring.activemq.password` | |Login password of the broker.
|`spring.activemq.pool.block-if-full` |`true` |Whether to block when a connection is requested and the pool is full.
|`spring.activemq.pool.block-if-full-timeout` |`-1ms` |Blocking period before throwing an exception if the pool is still full.
|`spring.activemq.pool.enabled` |`false` |Whether a JmsPoolConnectionFactory should be created, instead of a regular ConnectionFactory.
|`spring.activemq.pool.idle-timeout` |`30s` |Connection idle timeout.
|`spring.activemq.pool.max-connections` |`1` |Maximum number of pooled connections.
|`spring.activemq.pool.max-sessions-per-connection` |`500` |Maximum number of pooled sessions per connection in the pool.
|`spring.activemq.pool.time-between-expiration-check` |`-1ms` |Time to sleep between runs of the idle connection eviction thread.
|`spring.activemq.pool.use-anonymous-producers` |`true` |Whether to use only one anonymous "MessageProducer" instance.
|`spring.activemq.send-timeout` |`0ms` |Time to wait on message sends for a response.
|`spring.activemq.user` | |Login user of the broker.
|`spring.security.oauth2.authorizationserver.endpoint.device-authorization-uri` | |Authorization Server's OAuth 2.0 Device Authorization Endpoint.
|`spring.security.oauth2.authorizationserver.endpoint.device-verification-uri` | |Authorization Server's OAuth 2.0 Device Verification Endpoint.
|======================



== Removed in `3.1.0-RC1`
None.