We are back!"This Week in KDE Apps" is back! It's been a long time since the last issue, but every week, we cover as much as possible of what's happening in the world of KDE apps.Getting back to all that's new in the KDE App scene, let's dig in!KDE PIM Merkuro Mail Read and write emails Yuki Joou improved the handling of sender information in the mail viewer header (25.12.0 - link). She also fixed the mail composer not showing the right sender address (25.12.0 - link). Merkuro Calendar Manage your tasks and events with speed and ease Yuki also worked on Merkuro Calendar and fixed adding sub-items to tasks (25.12.0 - link), added a menu button to show/hide all calendars from an account (25.12.0 - link), and made sure we are only showing one refresh button in the account context menu (25.12.0 - link)Supporting PIM librariesVolker Krause made some more parts of the KMime API const correct and adapted various parts of the PIM codebase to that.Allen Winter made Akonadi prefer MariaDB to MySQL when both are available (25.12.0 - link).Multimedia Applications Okular View and annotate documents Volker Krause added some of the missing icons on Android (25.12.0 - link). Photos Image Gallery Marco Martin optimized starting Photos when opening it with a specific image (25.12.0 - link).Games Applications KRetro Libretro emulation frontend for Plasma Seshan Ravikumar released a first alpha release for KRetro, a new game emulator based on libretro. You can read his announcement here Chat Applications NeoChat Chat on Matrix Joshua Goins fixed room succession not actually working (25.08.4 - link).Arno Rehn fixed the handling of encrypted polls and pinned messages (25.12.0 - link).Browsers Falkon Web Browser Juraj Oravec added a "Dis/Enable Adblock" button to the adblock context menu (25.12.0 - link). Konqueror KDE File Manager & Web Browser Stefano Crocco fixed some issues with the searchbar (25.12.0 - link)System Applications Dolphin Manage your files Kostiantyn Korchuhanov added the ability to hide files and folders from the Dolphin content menu. (25.12.0 - link)Akseli Lahtinen added a separator to the navigator when it's used outside of the menubar. (25.12.0 - link)Jean-Baptiste Mardelle fixed a bug where the video preview panel was crashing Dolphin when a video file was selected in some cases. (25.08.3 - link) Journald Browser Browser for journald databases Andreas Cord-Landwehr fixed case-sensitive search not being applied when navigating between highlighted matches. (link) Help Center Browse and search documentation Carl Schwan (me) changed the name used in Discover and apps.kde.org to Help Center instead of the old internal name: KHelpCenter. (25.12.0 - link)Travel Applications KDE Itinerary Digital travel assistant Jonah Brüchert fixed some performance issues when showing the search results for a train/bus connection. (link 1, link 2 and link 3)Carl Schwan (me) moved the licensing information about the components used in Itinerary to use standard KAboutComponent infrastructure. (link)