<sly data-sly-test="${properties.dropdownOption == 'single'}"> Render single Html variation </sly> <sly data-sly-test="${properties.dropdownOption == 'multiple A'}"> Render multiple A Html variation </sly> <sly data-sly-test="${properties.dropdownOption == 'multiple B'}"> Render multiple B Html vari...

@keerthana_hn Use sightly Comparison Operators to show particular markup on dropdown selection.<div data-sly-test="${properties.jcr:title == 'true'}">TRUE</div><div data-sly-test="${properties.jcr:title != 'true'}">FALSE</div>https://www.aemtutorial.info/p/htl-operators.html

Yes, Prefer using the Coral 3 components. https://helpx.adobe.com/experience-manager/6-5/sites/developing/using/reference-materials/granite-ui/api/jcr_root/libs/granite/ui/components/legacy/coral2/migration.html

Latest trend is to use Foundation Validation (The one which I have pointed). jQuery-based validator is deprecated starting in AEM 6.2.

@Anderson_Hamer Please refer to below URL for recommended approach for Touch UI Dialog validation.https://blogs.perficient.com/2017/11/06/aem-touch-ui-dialog-validation-new-best-practice-use-foundation-validation/

Coral UI:- It is a set of CSS and JS files designed and built for Adobe Cloud products. Coral UI provides a wide range of html components pre developed for your website like buttons, navigation bar, tool bar, tables, grid, dialogs etc. and save you time from developing these components. Granite UI:-...

@arvind  Please check if you have embed core.wcm.components.accordion.v1 in your clientlib-base.

@grantclevyr  Please refer to below URL for similar issue :https://stackoverflow.com/questions/46292477/error-while-adding-contexthub-to-the-page-component

@mohita82734067 Please check below Community URL once if it helps :https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/read-only-access-to-page-properties-in-the-sidekick/qaq-p/173504

@hs06 you can even try setting Password expiry mechanism to achieve your use case. Please check below threads:https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-user-password-expiry/qaq-p/192989https://jackrabbit.apache.org/oak/docs/security/user/expiry.html