v0.5.0 - snapshots, single-screen layout, clean-room rewrites (source only)

Source-only Windows kit. No game, no binary. Godot single-screen layout and read-only guest-memory snapshots (scene detection is still a stub); checkpoint chain --control; output-identical clean-room rewrites of four runtime behaviours; Wi-Fi baseband/RF model from GBATEK (two of eight scripted runs change one bottom-screen scanline at one frame). Windows game execution is not verified. See CHANGELOG.md.

v0.4.5 - GPU3D edge walker rewrite (source only)

Source-only Windows kit. No game, no binary. The GPU3D scanline edge walker is rewritten from docs/GPU3D_EDGE_WALKER.md; output is byte-identical to v0.4.4 (five-language boot hashes, English WAV, saves, 113,811 scripted frames). Windows game execution is not verified. See CHANGELOG.md.

v0.4.4 - GPU2D four-wide output conversion (source only)

Source-only Windows kit. No game, no binary. SSE2 GPU2D output conversion: -3% boot, -2.7% movie, -1.4% activity user instructions versus v0.4.3 with byte-identical output. Windows game execution is not verified. See CHANGELOG.md.

v0.4.3 - GPU3D framebuffer packing (source only)

Source-only Windows kit. No game, no binary. SSE2 four-wide GPU3D framebuffer packing: -5% boot, -4% movie, -2% activity user instructions versus v0.4.2 with byte-identical output. Windows game execution is not verified. See CHANGELOG.md.

v0.4.2 - output-identical speedups (source only)

Source-only Windows kit. No game, no binary. SPU deadline scheduling, palette cache and lazy hardware timers: single-thread instructions retired -19% boot, -13% movie, -8% activity versus v0.4.1 with byte-identical output. Windows game execution is not verified. See CHANGELOG.md.

v0.4.1 - security hardening, timer/IRQ accuracy, Godot audio (source only)

Source-only Windows kit. No game, no binary. Fixes a save temp-file symlink truncation, a DQ9_BACKUP_TYPE command injection in BUILD-DQ9.bat, diagnostics path leaks, pins the SDL SDK digest and CI action SHAs; timer/IRQ timing accuracy; Godot fast-forward and resume audio fixes. Windows game execution is not verified. See CHANGELOG.md.

v0.4.0 - timing model, RTC/touch fixes, GPU3D clip/alpha, docs and CI audit (source only)

Source-only Windows kit. No game, no binary. Timing model (ARM9 CPI, held cartridge READY, SWI cycles) intentionally changes frame phase: regenerate guest code after updating. RTC protocol, touch ADC calibration, GPU3D clipping/alpha fixes, audited docs and weekly CI. Windows game execution and the Windows Godot build are not verified. See CHANGELOG.md.

v0.3.1 - Godot save restore panel (source only)

Source-only Windows kit. No game, no binary. Adds the Godot save backup list and restore panel with a persistent Saved / Save failed status. Linux-verified with the real extension; the Windows Godot build and game runs are not verified. See CHANGELOG.md.

v0.3.0 - launcher, save safety, audio recovery, diagnostics, Godot guide updates (source only)

Source-only Windows kit. No game, no binary. Adds COLLECT-DIAGNOSTICS.bat, a validated SDL first-run launcher, rotating save backups with restore, SDL audio recovery, Godot export preset and a PLAY-GODOT launch without the crashing editor import, and a small GPU2D speedup with byte-identical output. Windows game execution and the Windows Godot build are not verified. See CHANGELOG.md.

v0.2.9 - cleaner Windows kit, Godot scripts and guide (source only)

Source-only Windows kit. No game, no binary. Cleaner BUILD-DQ9.bat (ROM prompt, Python discovery, EU save chip, step output, progress bar), new BUILD-GODOT.bat/PLAY-GODOT.bat and docs/USING_GODOT.md. CI exercises the new entry points ROM-free. The Windows Godot build and a game run on Windows are not yet verified. See CHANGELOG.md.