January 2026 PrismLauncher monthly summary focusing on the Steam Deck UX improvement and code hygiene enhancements. The month delivered a targeted feature that stabilizes UI tooltips on Steam Deck by introducing a tooltip display filter that disables tooltips when running under gamescope/Steam Deck, preventing tooltips from being rendered off-screen due to window scaling. This change was implemented at the application level, with a global tooltip event filter and a refactor that moved the logic from Main Window to the Application scope. Accompanying updates include license information and author attribution in new files, along with updates to the ToolTipFilter component. The result is a more reliable, consistent user experience on Steam Deck, with better maintainability and traceability of changes.