Check if you are below the proxy server in your organization. It might blocking the eclipse to download the plugins

Use Acs-commons clientlibs versioning. https://adobe-consulting-services.github.io/acs-aem-commons/features/versioned-clientlibs/index.html

There are various ways to accomplish this. You can write a server or script to do this. You can also use groovy script as well as sling pipes. All the above will help you in automation 

Content to end user will be served from publisher so caching is required otherwise your publisher will always be flooded with the request. So eventually you will require the dispatcher irrespective of having it on author. apart from caching the content it provides other features like filter which wi...

This might help you https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager-forms/publishing-error-failed-to-retrieve-references-for-selected/td-p/213854

I believe to call a component or service based on selector the selector should be part of request url and not with htl. If your component has selector.htl it will automatically get called but in this case you need to call the component selector via page jcr:content component path

You can disable it by selecting disable smart tag from the folder property of your parent folder of the dam . select parent folder go to property and in asset processing tabs you can select the disable from the dropdown 

If it’s part of i18N implementation you can change the message/value of this key

If it’s a publisher you can bock all the suffix from dispatcher by adding rule in filter section # Block use of all suffixes on any resource in /content/0160 { /type "deny" /url "/content*" /suffix "*" }# Suffix patterns which are needed on the server side can be added in an allow list manner/0161 {...

If you have to put dict.en.json it should go as /apps/cq/i18n/dict.en.json and not as /libs/cq/i18n/dict.en.json as /apps folder get preferences over /libs folder and all your custom code should go inside /apps folder