Upgrade from 2026.01 to 2026.05
===============================

All notable changes to **Friendica** will be documented in this file.
As an *Addon or Theme maintainer* you can inform yourself about all breaking changes and deprecations.

This project [promises Backward Compatibility](help/developer/index#backward-compatibility).

Mandatory (Breaking changes)
----------------------------

This section contains backward compatibility breaks, make sure your code is compatible with these entries before upgrading.

- The themes `duepuntozero`, `smoothly` and `quattro` are removed. Switch to a supported theme like `frio` or `vier`.

Optional (Deprecations)
----------------------

This section contains deprecation notices. This changes will become mandatory in a future release.

- Support for PHP 7.4, 8.0 and 8.1 is deprecated and will be removed in the next release.
