TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+..  include:: /Includes.rst.txt
+
+..  _feature-108240-1732187656:
+
+========================================
+Feature: #108240 - Introduce Fresh theme
+========================================
+
+See :issue:`108240`
+
+Description
+===========
+
+The new :guilabel:`Fresh` theme has been introduced for the TYPO3 backend,
+marking the beginning of broader backend customization capabilities. This theme
+offers users a modern alternative appearance option with a friendlier purple
+accent color palette.
+
+Built on the modern CSS architecture, the "Fresh" theme is now the default for
+new users. It complements the existing Modern and Classic themes. All three
+themes will be maintained and enhanced equally going forward.
+
+The extensive CSS framework improvements made during the 14.0 cycle now enable
+easier theme adaptation with minimal code changes, setting the foundation for
+the expanding theme system.
+
+Theme selection
+===============
+
+Users can select their preferred theme in the :guilabel:`User Settings` module
+under the :guilabel:`Backend appearance` section. The "Fresh" theme provides a
+more contemporary look and feel while maintaining the familiar TYPO3 backend
+structure and usability.
+
+All existing themes remain fully supported:
+
+*   **Fresh** (default for new users) - Modern purple accent colors
+*   **Modern** - Contemporary appearance with traditional accent colors
+*   **Classic** - Traditional TYPO3 backend appearance
+
+Future development
+==================
+
+Additional customization options and modern user interface elements will be
+incrementally added to the theme system leading up to the long term support
+release. The modular CSS architecture ensures that all themes benefit from
+these enhancements equally.
+
+..  important::
+
+    The backend CSS framework is currently considered internal API. No public
+    CSS variables or settings have been defined yet that are guaranteed to
+    remain stable across future versions. Areas such as color palette
+    generation, accent colors, stateful colors, and tinting mechanisms are
+    still in active development and are subject to change before a long term
+    solution is established.
+
+Impact
+======
+
+The introduction of the "Fresh" theme demonstrates TYPO3's commitment to
+providing a modern, customizable backend experience. The modular CSS
+architecture allows for continuous improvement and evolution of the backend
+design system.
+
+New TYPO3 installations will automatically use the "Fresh" theme, while
+existing users can opt in through their :guilabel:`User Settings`. The choice
+of theme is stored per user, allowing teams with different preferences to work
+comfortably within the same TYPO3 installation.
+
+..  index:: Backend, ext:backend