1.0

First public release of Katana — a native macOS app for managing GDEMU SD cards (Dreamcast) with GDmenu and openMenu.

Highlights

• Open GDEMU card roots, browse numbered game folders, rename / reorder / delete with immediate on-card writes
• Super fast architecture for writing, caching, reloading to reduce wait times and reduce user friction
• Inspector with disc metadata and 0GDTEX covers
• Duplicate detection and content hashing
• Native menu rebuild for GDmenu and openMenu (slot 01)
• Universal binary (Apple Silicon + Intel), Developer ID signed and notarized

Install

1. Download Katana.dmg
2. Open the disk image and drag Katana to Applications
3. On first launch, open your GDEMU SD card from /Volumes

Requires macOS Sonoma 14.0 or later.