These are not supported for paths but there are wildcard characters that can be used with other predicates like * , %

1. is it happening for all components?2. Can you share component html code snippet?

If its just banner, i don't think you need dynamic media to achieve itUse a javascript slideshow/carousel plugin and with authorable images via dialog

Here is the link from 6.3 helpx- https://helpx.adobe.com/experience-manager/6-3/sites/developing/using/components-basics.html

You will be getting exception in error.log. Best place to start from here I think

Can you provide more information, I don't it will help anyone to understand the issue.Screenshots or more detail description will be helpful

Yes,Use sling resource merger concepthttps://helpx.adobe.com/experience-manager/6-2/sites/developing/using/sling-resource-merger.html

Should be able to achieve it with query builder tag predicatehttps://helpx.adobe.com/experience-manager/6-3/sites/developing/using/querybuilder-api.html

It has been documented here in helpx under Request Attributes sectionhttps://helpx.adobe.com/experience-manager/htl/using/block-statements.htmlSample code<sly data-sly-use.settings="com.adobe.examples.htl.core.hashmap.Settings"        data-sly-include="${ 'productdetails.html' @ requestAttributes=se...

Irrespective of adapting to use Resource or Slinghttpservletrequest.With latest sling jar, You can use below code to get access@ScriptVariableprivate Style currentStyle;You can refer : https://github.com/Adobe-Marketing-Cloud/aem-core-wcm-components/blob/d4a9c2c7785f5d50e91dd2ebe145ace4a0bb7491/bund...