Spring Boot 4.1.0 RC1 Configuration Changelog

Configuration property changes between 4.1.0-M4 and 4.1.0-RC1

Default Changed in 4.1.0-RC1

Key	Old Default	New Default
`management.httpexchanges.recording.include`	`request-headers, response-headers, errors`	`time-taken, request-headers, response-headers`

Deprecated in 4.1.0-RC1

None.

Added in 4.1.0-RC1

Key	Default value	Description
`management.opentelemetry.map-environment-variables`	`true`	Whether to map OpenTelemetry SDK environment variables to Spring Boot configuration properties.
`spring.cassandra.ssl.verify-hostname`	`true`	Whether to perform hostname verification.
`spring.data.redis.listener.auto-startup`	`true`	Whether to start the container automatically on startup.
`spring.data.redis.listener.recovery.delay`	`5s`	Base delay for a recovery attempt.
`spring.data.redis.listener.recovery.jitter`	`0`	Jitter value for the base retry attempt, randomly subtracted or added to the calculated delay, resulting in a value between 'delay - jitter' and 'delay + jitter' but never below the base delay or above the max delay.
`spring.data.redis.listener.recovery.max-delay`	`30s`	Maximum delay for any retry attempt, limiting how far jitter and the multiplier can increase the delay.
`spring.data.redis.listener.recovery.max-retries`		Maximum number of recovery attempts.
`spring.data.redis.listener.recovery.multiplier`	`1`	Multiplier for a delay for the next retry attempt, applied to the previous delay, starting with the initial delay as well as to the applicable jitter for each attempt.
`spring.data.redis.listener.subscription-registration-timeout`	`2s`	Maximum amount of time to wait for the subscription to become active.
`spring.datasource.connection-fetch`	`eager`	Whether the auto-configured DataSource should be wrapped in a proxy that fetches JDBC connections as late as possible.
`spring.elasticsearch.restclient.ssl.verify-hostname`	`true`	Whether to perform hostname verification.
`spring.grpc.server.security.csrf.enabled`	`false`	Whether to enable CSRF protection.
`spring.kafka.template.allow-non-transactional`	`false`	Whether to allow sending non-transactional messages.
`spring.kafka.template.close-timeout`	`5s`	Maximum time to wait when closing a producer.
`spring.webflux.default-html-escape`		Whether default HTML escaping is enabled for the web application.