Check similar issue:https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/installing-aws-s3-connector-in-aem-6-5-0-dependencies-error/qaq-p/363639 Do you get any type of error ? 

What version and service pack are you running ?Can you Invalidate Caches then Rebuild Libraries [1] and give it a try in private browser ?[1] http://[host]:[port]/libs/granite/ui/content/dumplibs.rebuild.html

When you say "unable to map Adobe Launch cloud service with my project" can you clarify what happens? From the relevant steps in the following document which one is not working as expected: https://helpx.adobe.com/experience-manager/using/aem_launch_adobeio_integration.html#MapanAdobeLaunchintegrati...

It seems in your case the info is released by Apache HTTP server. You may to check ServerTokens configuration that could contribute to this:https://httpd.apache.org/docs/2.4/es/mod/core.html#servertokens

Thanks for clarification. The doc shared by Vishu should include the APIs that you can use to perform this task.

Check the /headers property in your dispatcher config file ti understand if "Cache-Control is set:https://docs.adobe.com/content/help/en/experience-manager-dispatcher/using/configuring/dispatcher-configuration.html#caching-http-response-headers Hamid K

Review the following document. There are some OSGI settings that should be changed on your publish and author productive instances to avoid internal information leaking to the public. https://docs.adobe.com/content/help/en/experience-manager-65/administering/security/security-checklist.html#osgi-set...

the use case is not very clear. So you have a blueprint with some live copies referencing it. The requirement is to programmatically activate standard rollout to live copies when the blueprint is updated ?

Check the same scenario in incognito window.Invalidate Caches then click Rebuild Libraries.http://[host]:[port]/libs/granite/ui/content/dumplibs.rebuild.html

From the same referenced document:Additionally, you also need to download and install the latest AEM service pack as listed on the AEM 6.5 Release Notes page. Have you installed the service pack ?