Content elements around the blog plugin are not working

[christinloehner]

Bug Report

Prerequisites

• Can you reproduce the problem on TYPO3 v9.5 LTS
• Can you reproduce the problem on TYPO3 v10.4 LTS
• Can you reproduce the problem on TYPO3 v11.x
• Can you reproduce the problem on TYPO3 v12.x
• Did you perform a cursory search to see if your bug or feature is already reported?

Description

I have setup a new typo3 with the t3g/blog extension. I have a carousel in the border content element on all pages.
But on the blog pages it is not showing.

Steps to Reproduce

1. just install new typo3 with composer
2. setup some pages with carousel in border content element
3. add extension t3g/blog
4. Configur the extension as stated in the install manual
5. Add the carousel to the border element of blog page where the blog plugin is in the Normal content element

Expected behavior:

Well, the carousel should show up on the page.

Actual behavior:

the blog page doesn't show the carousel

Versions

bacon/bacon-qr-code                2.0.8    BaconQrCode is a QR code generator for PHP.
bk2k/bootstrap-package             13.0.5   Bootstrap Package delivers a full configured frontend theme for TYPO3, based on the Bootstrap CSS Framework.
christian-riesen/base32            1.6.0    Base32 encoder/decoder according to RFC 4648
dasprid/enum                       1.0.5    PHP 7.1 enum implementation
doctrine/annotations               2.0.1    Docblock Annotations Parser
doctrine/cache                     2.2.0    PHP Doctrine Cache library is a popular cache implementation that supports many different drivers such as redis, memcac...
doctrine/dbal                      3.8.2    Powerful PHP database abstraction layer (DBAL) with many features for database schema introspection and management.
doctrine/deprecations              1.1.3    A small layer on top of trigger_error(E_USER_DEPRECATED) or PSR-3 logging with options to disable all deprecations or s...
doctrine/event-manager             2.0.0    The Doctrine Event Manager is a simple PHP event system that was built to be used with the various Doctrine projects.
doctrine/instantiator              2.0.0    A small, lightweight utility to instantiate objects in PHP without invoking their constructors
doctrine/lexer                     3.0.1    PHP Doctrine Lexer parser library that can be used in Top-Down, Recursive Descent Parsers.
egulias/email-validator            4.0.2    A library for validating emails against several RFCs
enshrined/svg-sanitize             0.15.4   An SVG sanitizer for PHP
firebase/php-jwt                   v6.10.0  A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec.
guzzlehttp/guzzle                  7.8.1    Guzzle is a PHP HTTP client library
guzzlehttp/promises                2.0.2    Guzzle promises library
guzzlehttp/psr7                    2.6.2    PSR-7 message implementation that also provides common utility methods
jambagecom/addons-em               v0.8.2   Enhancements to the Extension Manager (em).
jambagecom/static-info-tables-de   v11.5.3  German (de) language pack for the Static Info Tables providing localized names for countries, currencies and so on.
lolli42/finediff                   1.1.0    PHP implementation of a Fine granularity Diff engine
masterminds/html5                  2.8.1    An HTML5 parser and serializer.
matthiasmullie/minify              1.3.71   CSS & JavaScript minifier, in PHP. Removes whitespace, strips comments, combines files (incl. @import statements and sm...
matthiasmullie/path-converter      1.1.3    Relative path converter
netzmacher/slick                   12.0.1   Slick Slider
nikic/php-parser                   v4.18.0  A PHP parser written in PHP
phpdocumentor/reflection-common    2.2.0    Common reflection classes used by phpdocumentor to reflect the code structure
phpdocumentor/reflection-docblock  5.3.0    With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that...
phpdocumentor/type-resolver        1.8.1    A PSR-5 based resolver of Class names, Types and Structural Element Names
phpstan/phpdoc-parser              1.25.0   PHPDoc parser with support for nullable, intersection and generic types
psr/cache                          3.0.0    Common interface for caching libraries
psr/clock                          1.0.0    Common interface for reading the clock.
psr/container                      2.0.2    Common Container Interface (PHP FIG PSR-11)
psr/event-dispatcher               1.0.0    Standard interfaces for event handling.
psr/http-client                    1.0.3    Common interface for HTTP clients
psr/http-factory                   1.0.2    Common interfaces for PSR-7 HTTP message factories
psr/http-message                   1.1      Common interface for HTTP messages
psr/http-server-handler            1.0.2    Common interface for HTTP server-side request handler
psr/http-server-middleware         1.0.2    Common interface for HTTP server-side middleware
psr/log                            3.0.0    Common interface for logging libraries
ralouphie/getallheaders            3.0.3    A polyfill for getallheaders.
scssphp/scssphp                    v1.12.1  scssphp is a compiler for SCSS written in PHP.
sjbr/static-info-tables            v12.4.3  Data and API for countries, languages and currencies for use in TYPO3 CMS.
symfony/cache                      v7.0.3   Provides extended PSR-6, PSR-16 (and tags) implementations
symfony/cache-contracts            v3.4.0   Generic abstractions related to caching
symfony/clock                      v7.0.3   Decouples applications from the system clock
symfony/config                     v7.0.3   Helps you find, load, combine, autofill and validate configuration values of any kind
symfony/console                    v7.0.3   Eases the creation of beautiful and testable command line interfaces
symfony/dependency-injection       v7.0.3   Allows you to standardize and centralize the way objects are constructed in your application
symfony/deprecation-contracts      v3.4.0   A generic function and convention to trigger deprecation notices
symfony/doctrine-messenger         v7.0.3   Symfony Doctrine Messenger Bridge
symfony/event-dispatcher           v7.0.3   Provides tools that allow your application components to communicate with each other by dispatching events and listenin...
symfony/event-dispatcher-contracts v3.4.0   Generic abstractions related to dispatching event
symfony/expression-language        v7.0.3   Provides an engine that can compile and evaluate expressions
symfony/filesystem                 v7.0.3   Provides basic utilities for the filesystem
symfony/finder                     v7.0.0   Finds files and directories via an intuitive fluent interface
symfony/http-foundation            v7.0.3   Defines an object-oriented layer for the HTTP specification
symfony/mailer                     v7.0.3   Helps sending emails
symfony/messenger                  v7.0.3   Helps applications send and receive messages to/from other applications or via message queues
symfony/mime                       v7.0.3   Allows manipulating MIME messages
symfony/options-resolver           v7.0.0   Provides an improved replacement for the array_replace PHP function
symfony/polyfill-ctype             v1.29.0  Symfony polyfill for ctype functions
symfony/polyfill-intl-grapheme     v1.29.0  Symfony polyfill for intl's grapheme_* functions
symfony/polyfill-intl-idn          v1.29.0  Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions
symfony/polyfill-intl-normalizer   v1.29.0  Symfony polyfill for intl's Normalizer class and related functions
symfony/polyfill-mbstring          v1.29.0  Symfony polyfill for the Mbstring extension
symfony/polyfill-php72             v1.29.0  Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions
symfony/polyfill-php80             v1.29.0  Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions
symfony/polyfill-php83             v1.29.0  Symfony polyfill backporting some PHP 8.3+ features to lower PHP versions
symfony/polyfill-uuid              v1.29.0  Symfony polyfill for uuid functions
symfony/property-access            v7.0.3   Provides functions to read and write from/to an object or array using a simple string notation
symfony/property-info              v7.0.3   Extracts information about PHP class' properties using metadata of popular sources
symfony/rate-limiter               v7.0.3   Provides a Token Bucket implementation to rate limit input and output in your application
symfony/routing                    v7.0.3   Maps an HTTP request to a set of configuration variables
symfony/service-contracts          v3.4.1   Generic abstractions related to writing services
symfony/string                     v7.0.3   Provides an object-oriented API to strings and deals with bytes, UTF-8 code points and grapheme clusters in a unified way
symfony/uid                        v7.0.3   Provides an object-oriented API to generate and represent UIDs
symfony/var-exporter               v7.0.3   Allows exporting any serializable PHP data structure to plain PHP code
symfony/yaml                       v7.0.3   Loads and dumps YAML files
t3/min                             3.0.1    Extends TYPO3's compressor for JS and CSS with minifier. This may save you up to 60% of default compressed file size. A...
t3g/blog                           12.0.2   This blog extension uses TYPO3s core concepts and elements to provide a full-blown blog that users of TYPO3 can instant...
typo3/class-alias-loader           v1.1.4   Amends the composer class loader to support class aliases to provide backwards compatibility for packages
typo3/cms-backend                  v12.4.11 TYPO3 CMS backend
typo3/cms-belog                    v12.4.11 TYPO3 CMS Log - View logs from the sys_log table in the TYPO3 backend modules System>Log
typo3/cms-beuser                   v12.4.11 TYPO3 CMS Backend User - TYPO3 backend module System>Backend Users for managing backend users and groups.
typo3/cms-cli                      3.1.1    TYPO3 command line binary
typo3/cms-composer-installers      v5.0.0   TYPO3 CMS Installers
typo3/cms-core                     v12.4.11 TYPO3 CMS Core
typo3/cms-dashboard                v12.4.11 TYPO3 CMS Dashboard - TYPO3 backend module used to configure and create backend widgets.
typo3/cms-extbase                  v12.4.11 TYPO3 CMS Extbase - Extension framework to create TYPO3 frontend plugins and TYPO3 backend modules.
typo3/cms-extensionmanager         v12.4.11 TYPO3 CMS Extension Manager - Backend module (Admin Tools>Extensions) for viewing and managing extensions.
typo3/cms-felogin                  v12.4.11 TYPO3 CMS Frontend Login - A template-based plugin to log in website users in the TYPO3 frontend.
typo3/cms-filelist                 v12.4.11 TYPO3 CMS Filelist - TYPO3 backend module (File>Filelist) used for managing files.
typo3/cms-filemetadata             v12.4.11 TYPO3 CMS File Metadata - Adds additional metadata to file management.
typo3/cms-fluid                    v12.4.11 TYPO3 CMS Fluid Integration - Integration of the Fluid templating engine into TYPO3.
typo3/cms-fluid-styled-content     v12.4.11 TYPO3 CMS Fluid Styled Content - Fluid templates for TYPO3 content elements.
typo3/cms-form                     v12.4.11 TYPO3 CMS Form - Flexible TYPO3 frontend form framework that comes with a backend editor interface.
typo3/cms-frontend                 v12.4.11 TYPO3 CMS Frontend
typo3/cms-impexp                   v12.4.11 TYPO3 CMS Import/Export - Tool for importing and exporting records using XML or the custom T3D format.
typo3/cms-indexed-search           v12.4.11 TYPO3 CMS Indexed Search - Provides indexing functionality for TYPO3 pages and records as well as files including PDF, ...
typo3/cms-info                     v12.4.11 TYPO3 CMS Info - TYPO3 backend module for displaying information, such as a pagetree overview and localization informat...
typo3/cms-install                  v12.4.11 TYPO3 CMS Install Tool - The Install Tool is used for installation, upgrade, system administration and setup tasks.
typo3/cms-introduction             4.6.1    The Official TYPO3 Introduction Package
typo3/cms-reactions                v12.4.11 TYPO3 CMS Reactions - Handle incoming Webhooks for TYPO3
typo3/cms-rte-ckeditor             v12.4.11 TYPO3 CMS RTE CKEditor - Integration of CKEditor as a Rich Text Editor for the TYPO3 backend.
typo3/cms-scheduler                v12.4.11 TYPO3 CMS Scheduler - Schedule tasks to run once or periodically at a specific time.
typo3/cms-seo                      v12.4.11 TYPO3 CMS SEO - SEO features including specific fields for SEO purposes, rendering of HTML meta tags and sitemaps.
typo3/cms-setup                    v12.4.11 TYPO3 CMS Setup - Allows users to edit a limited set of options for their user profile, including preferred language, t...
typo3/cms-sys-note                 v12.4.11 TYPO3 CMS System Notes - Records with messages which can be placed on any page and contain instructions or other inform...
typo3/cms-t3editor                 v12.4.11 TYPO3 CMS T3Editor - JavaScript-driven editor with syntax highlighting and code completion. Based on CodeMirror.
typo3/cms-tstemplate               v12.4.11 TYPO3 CMS TypoScript - TYPO3 backend module for the management of TypoScript records for the CMS frontend.
typo3/cms-viewpage                 v12.4.11 TYPO3 CMS Viewpage - Use the (Web>View) backend module to view a frontend page inside the TYPO3 backend.
typo3/cms-webhooks                 v12.4.11 TYPO3 CMS Webhooks - Handle outgoing Webhooks for TYPO3
typo3/html-sanitizer               v2.1.4   HTML sanitizer aiming to provide XSS-safe markup based on explicitly allowed tags, attributes and values.
typo3/minimal                      v12.4.0  Minimal required set of TYPO3 extensions
typo3fluid/fluid                   2.10.1   The TYPO3 Fluid template rendering engine
webmozart/assert                   1.11.0   Assertions to validate method input/output with nice error messages.
yoast-seo-for-typo3/yoast_seo      9.0.3    Yoast SEO for TYPO3