Ymir Version Control System (August 15, 2026)

Ymir Git (2026/08/15) is a new Sega Saturn emulator featuring game loading from various formats (BIN+CUE, ISO, etc.), automatic BIOS detection, and region switching. It supports up to two players, customizable keybindings, and includes RAM cartridge management. Notable features include save states, one-minute rewinding, turbo speed, and advanced debugging tools. The update (changelog) addresses bug fixes, build improvements, and documentation enhancements, including GPU driver instructions and shader support checks. Various build configurations are updated to enhance compatibility across platforms. Download the emulator from the specified source.

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Ymir Git (2026/08/15) has been released. It is an ongoing project for a Sega Saturn emulator.

Notable Features:
Load games from BIN+CUE, IMG+CCD, MDF+MDS, or ISO files
Automatic IPL (BIOS) ROM detection
Automatic region switching
Support for up to two players with standard control pads on both ports (additional features coming soon)
Completely customizable keybindings
Support for backup RAM and DRAM cartridges (further updates expected)
Integrated backup memory manager for importing and exporting saves, and transferring between internal and cartridge RAM
Save states
Rewinding capability (up to one minute at 60 fps), turbo speed, and frame stepping (both forwards and backwards)
A comprehensive feature-rich debugger still under development.

Ymir Changelog:
* chore: Correct typo in CHANGELOG
* fix(docs): Add missing line to CHANGELOG
* fix(gfx-d3d12): Utilize raw pointers when enumerating DXGI adapters
* feat(gfx): Enable selection of a graphics adapter
* fix(gfx-d3d12): Adjust initial upload buffer state to D3D12_RESOURCE_STATE_GENERIC_READ
* chore(gfx-d3d12): Eliminate unnecessary and unused debug parameter
* fix(gfx-d3d12): Resolve initial fence values
* docs: Corrected missing information
* docs: Added instructions for updating GPU drivers
* chore(deps): Update ImGui to v1.92.9b-docking
* Merge pull request #925 from SternXD/macscaling
* fix(app): Resolve double scaling of the UI on macOS
* build: Include dxcompiler.dll and dxil.dll in Windows builds
* docs: Revise links to Microsoft Visual C++ Redistributable installers
* docs(build): Update Linux build instructions regarding Vulkan support
* Merge pull request #923 from bsdcode/ci_add_glslang
* build(ci): Install glslang and vulkan-headers on FreeBSD
* fix(gfx): Address another case of reordering file name prefixes/suffixes
* feat(gfx): Check for SPIR-V support by compiling a simple shader program and assessing the output
* chore(gfx): Rename `SHADERS_SPIRV_SUPPORTED_BY` to `SPIRV_COMPILER_NAME`
* chore(gfx): Rename shaders to specify the stage as a suffix
* build: Permit specifying a custom PR number when manually running the workflow
* build: Ensure PR builds include the PR number in the version string
* build: Allow manual builds for PRs to test the workflow
* fix(app): Remove leftover code
* build: Install Vulkan SDK in main builds
* fix(gfx): Out values must be set at `PARENT_SCOPE`
* fix(gfx): Correct profile matcher regex
* feat(gfx): Utilize glslc when DXC is unavailable
* feat(gfx): Eliminate requirement for SPIR-V if Vulkan is not present
* build(ci): Install shaderc on FreeBSD
* feat(gfx): Check for shaderc/glslc
* build(ci): Correct PR build dependency graph
* build(ci): Add workflow to build and upload artifacts for PRs and run CI across all branches
* fix(gfx-metal): Resolve incorrect class name in Metal graphics context implementation
* fix(gfx): Remove obsolete functions within Metal graphics context implementation
* fix(gfx): Adjust macro guards in `kDefaultBackend` definition
* fix(build): Ensure WIL is only included on Windows
* build(ci): Utilize an alternative action for Vulkan SDK installation
* build(ci): Install Vulkan SDK
* chore(gfx): Remove debug messages
* chore(gfx): Revise CMake shader compiler to support multiple platforms hopefully.