I am sure this is a very old article, but if someone is still figuring out on how to achieve multi lingual websites with localized headers and footers, please refer to this article. https://experienceleague.adobe.com/docs/experience-manager-core-components/using/get-started/localization.html?lang=en...

If possible, Please package component and content page and attach to this post. I will try deploying it locally on my local AEM 6.2 instance and determine what is going on.

I too validated on AEM 6.2 and it works perfectly fine.  Not sure why it is not working for you. Did you take a look the previous's reply by mjb54261515 which talks about an OOTB page (trainage page in geometrixx)? also please compare your custom component's dialog nodes and properties with with the...

Not sure If I understand the question in context. Were you not able to use "unequals" operator in query builder API? and what is the version of AEM?

I think we can achieve this using a mechanism called "Service Ranking".  By default, which ever implementation got a highest rank that implementation class will be selected. Developer can control which implementation needs to be selected by using OSGI property called SERVICE_RANKING. refer to this a...

From my experience in my project, either admin OR user with admin rights will be able to unlock the page. A mere impersonation of the person who locked the page does not give you all the access to unlock the page.Also, did you get a chance looking into some of the options that were discussed in this...