Only all articles and categories can be shared. But each site can have "own" menu items and display only site-specific categories and articles via site-specific menu items. Please check first two case studies: https://alterbrains.com/joomla-extensions/administration/multisites-manager/case-studies

... will have a single Joomla website which can be loaded via two domain names. Mobile subdomain will be a mirror of main site, but a subdomain will display customized contents. Note that MightySites doesn't perform any redirects to mobile subdomain depending on the user agent device or browser ...

⋅ Feature: new advanced component setting "Force Multi-Language" helps to always display language settings for terms even if 'System - Language Filter' plugin is disabled. ⋅ Feature: new advanced component setting "Disable Popper GPU Acceleration" helps to prettify fonts in tips for Joomla 4. ⋅ ...

Joomla custom fields are finally displayed in backend user/article list with the help of free Alter Fields extension.

Additionally, paid Alter Fields Pro adds ability to sort, filter and search content items by custom field values.
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... 2021 - ver. 3.4.0: ⋅ Feature: new term setting "Extra Words" helps to parse custom phrases. ⋅ Feature: new term setting "Custom Tip Title" to display custom title in term tip. ⋅ Feature: global "Term List" default settings in component options. ⋅ Feature: new term list setting "Term Style" allows ...

... frontend reports category view can filter reports by tags. ⋅ Change: frontend reports with un-authorized "view" and "view own" permissions are now displayed with special customizable layout ("you are not authorized to view this report" message by default). ⋅ Feature: new "Date" column type with cus ...

... ature: VirtueMart support. ⋅ Feature: add Term button in Joomla editor to insert correct term URL. ⋅ Feature: new Glossary List layout to display a table of terms. ⋅ Feature: display author, glossary and term dates on term page. ⋅ Changes: "term" view renamed to "article", "terms" view rename ...

⋅ Feature: column types. We started with two column types: "Common" and "Row Number". Common column provides current behavior. Row Number column displays row numbers, you can disable "Row Numbers" option, add "Row Number" column and apply custom position/style easily. More column types are coming.. ...

Please explore phpBB permissions system first, you can create a forum visible for members of specific phpBB group only. It's impossible to limit display of own posts only in phpBB. I am actually using an extension to achieve this and it is working fine on phpBB. I just want to make sure the same ...

... for them to access some other forums which they did not have access to previously. When this happens, does the bridge automatically handles and displays correct forums to the user? The bridge doesn't display forums, forums are displayed by phpBB according to phpBB user's permissions. The bridge ...