DuckStation, a PlayStation 1 emulator, has been released in version v0.1-11515.

The update includes 83 commits focused on the achievements system, GPU optimizations, the debugger, and the user interface.

Highlights include the move of achievements to a SQLite-backed storage system, a new MIPS assembler along with “Patch Instruction” and “Nop Instruction” in the debugger, and a new “Assembly” cheat code type. FullscreenUI gains zoom/slide transition effects, multitap memory card configuration was added, and the Ukrainian translation was completed.

Achievements:

• Swap to sqlite-backed storage
• Update seed hash database
• Move achievement pinning to database
• Add missing DB load check in a couple of places
• Fix crash in database updates on unknown media change
• Don’t update game database on disc change
• Qt: Add menu item to refresh achievement database
• Qt: Add Register button for achievements

CPU & Debugger:

• CPU: Add MIPS assembler
• Qt: Add ‘Patch Instruction’ and ‘Nop Instruction’ to debugger
• Cheats: Add ‘Assembly’ code type
• Qt: Use fixed-width font for cheat code editor
• CPU: Add targeted icache invalidation
• Cheats: Invalidate icache when writing (likely) assembly codes

GPU:

• Add disable texture/vertex lighting debug options
• Eliminate redundant type comparisons in FillDrawCommand()
• Inline draw mode into state struct

FullscreenUI:

• Add zoom/slide transition effects
• Add reset option to directory selector
• Fix global states always showing in menu
• Add start-in-big-picture-mode option
• Add a couple of missing transition effects
• Fix a couple of issues with modal progress

Qt/UI:

• Rework speed controls to be less confusing
• Fix keyboard navigation in game list after searching
• Disable tab key navigation on game list
• Add configuration of multitap memory cards
• Move save state backup setting to memory card page
• Add complete Ukrainian translation for Qt interface
• Spanish (Spain) translation update
• Minor UI consistency fixes

Settings & System:

• Settings: Load config for all memory cards
• System: Only use fast forward volume for >1 speed
• System: Fix mute volume
• Core: Fix setting reset wiping out user preferences
• Qt: Fix saved geometry being lost in nogui mode
• Sockets: Fix incorrect WSAStartup() call
• VideoThread: Fix debug assertion tripping in single-threaded mode
• feat(shader): Add Scanline Modern 4x2 adaptive retro filter

Source: GitHub