CAMEL-6635: PollingConsumer from a scheduled consumer such as file/ftp can use a regular thread pool instead of being scheduled
CAMEL-6631: Introduce ScheduledPollConsumerScheduler SPI to plugin different schedulers for poll consumer components such as file/ftp etc.
Improved javadoc on CamelContext about start stop methods
CAMEL-6622: Support XML Encryption 1.1 features in the camel-xmlsecurity. Thanks to Colm for the patch.