Configuration properties change between `2.5.3` and `2.6.0-M1`

== Deprecated in `2.6.0-M1`
|======================
|Key  |Replacement |Reason
|`management.metrics.export.dynatrace.device-id` |`management.metrics.export.dynatrace.v1.device-id` |
|`management.metrics.export.dynatrace.group` |`management.metrics.export.dynatrace.v1.group` |
|`management.metrics.export.dynatrace.technology-type` |`management.metrics.export.dynatrace.v1.technology-type` |
|======================



== New in `2.6.0-M1`
|======================
|Key  |Default value |Description
|`management.metrics.export.dynatrace.v1.device-id` | |ID of the custom device that is exporting metrics to Dynatrace.
|`management.metrics.export.dynatrace.v1.group` | |Group for exported metrics.
|`management.metrics.export.dynatrace.v1.technology-type` |`java` |Technology type for exported metrics.
|`management.metrics.export.dynatrace.v2.default-dimensions` | |Default dimensions that are added to all metrics in the form of key-value pairs.
|`management.metrics.export.dynatrace.v2.enrich-with-dynatrace-metadata` |`true` |Whether to enable Dynatrace metadata export.
|`management.metrics.export.dynatrace.v2.metric-key-prefix` | |Prefix string that is added to all exported metrics.
|`management.metrics.export.stackdriver.resource-labels` | |Monitored resource's labels.
|`server.netty.idle-timeout` | |Idle timeout of the Netty channel.
|`server.tomcat.reject-illegal-header` |`true` |Whether to reject requests with illegal header names or values.
|`spring.flyway.detect-encoding` | |Whether to attempt to automatically detect SQL migration file encoding.
|`spring.flyway.fail-on-missing-locations` |`false` |Whether to fail if a location of migration scripts doesn't exist.
|`spring.flyway.ignore-migration-patterns` | |Ignore migrations that match this comma-separated list of patterns when validating migrations.
|`spring.redis.jedis.pool.enabled` | |Whether to enable the pool.
|`spring.redis.lettuce.pool.enabled` | |Whether to enable the pool.
|======================



== Removed in `2.6.0-M1`
|======================
|Key  |Replacement |Reason
|`spring.data.mongodb.grid-fs-database` | |
|======================
