v0.14.0

Major update • 31/01/2026

This update includes the following features / fixes / changes:

• Full macOS Tahoe support
• Major ULTMOS rebrand; new logo and typography
• Added macOS Tahoe support to AutoPilot
• Added support for auto-downloading macOS Tahoe in AutoPilot
• Added internal detection to system profiler
• Updated Discord rich presence module
• Updated OVMF code to latest build
• Updated ULTMOS logo on OVMF splash screen
• Fixed an issue where Discord RPC would not update when selecting macOS Big Sur in AutoPilot
• ⭐ THANK YOU FOR 1,000 STARS! 💛
• 1, 2, skip a few, 15, 26????

Screenshots

^{See attached screenshots for a visualisation of the changes described.}

^{All-new ULTMOS logo for v0.14.0. (Gen3)}

To see individual code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/main

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.14.0-rc1

Release candidate • 16/10/2025

Warning

THIS IS A RELEASE CANDIDATE.
No changelog can be provided at this time, as features are being finalised.

By testing out this build, you accept the risks involved with using pre-release software.

To see individual pre-release code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/dev

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.14.0-pre2

Pre-release • 18/09/2025

Warning

THIS IS A PRE-RELEASE.
No change log can be provided at this time, as features are incomplete or unconfirmed.

This is (probably) an unstable, highly experimental build of the project. By testing out this build, you accept the risks involved with using pre-release software.

To see individual pre-release code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/dev

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.14.0-pre1

Pre-release • 17/09/2025

Warning

THIS IS A PRE-RELEASE.
No changelog can be provided at this time, as features are incomplete or unconfirmed.

This is (probably) an unstable, highly experimental build of the project. By testing out this build, you accept the risks involved with using pre-release software.

To see individual pre-release code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/dev

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.13.4

Moderate update • 01/09/2025

This update includes the following features / fixes / changes:

• Updated BaseSystem for macOS Tahoe developer beta 2-8
• Changed method of setting CPU topology on new boot scripts and XML conversions (#163) (@citkane)
• Changed mouse device to tablet device (#191) (@belveder79)
• Selecting an existing HDD or BaseSystem in AutoPilot now uses a filepicker GUI dialog
• Default virtual memory is now 8GB for macOS 15 and later
• Fixed syntax errors in GPU passthrough script (#192) (@Fedeton)
• Fixed screenshots
• New screenshots on readme
• Added internal-only debug tools menu
• Added a cute rainbow sheep to the resources folder
• Take that - Data and Privacy screen!!!1!

Screenshots

^{See attached screenshots for a visualisation of the changes described.}

^{macOS Tahoe developer beta 8 running on ULTMOS!}

To see individual code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/main

Note

This release has multiple authors. Attributions for contributor changes are included in relevant lines above.

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.13.4-pre2

Pre-release • 01/09/2025

Warning

THIS IS A PRE-RELEASE.
No changelog can be provided at this time, as features are incomplete or unconfirmed.

This is (probably) an unstable, highly experimental build of the project. By testing out this build, you accept the risks involved with using pre-release software.

To see individual pre-release code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/dev

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.13.4-pre1

Pre-release • 01/09/2025

Warning

THIS IS A PRE-RELEASE.
No changelog can be provided at this time, as features are incomplete or unconfirmed.

This is (probably) an unstable, highly experimental build of the project. By testing out this build, you accept the risks involved with using pre-release software.

To see individual pre-release code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/dev

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.13.3

Moderate update • 09/06/2025

This update includes the following features / fixes / changes:

• Added experimental macOS Tahoe beta support
• Updated AutoPilot to support macOS Tahoe
• Updated Discord rich presence module with support for displaying macOS Tahoe
• SMBIOS updated to iMac20,1 (@KitsuneBalloon)
• Tahoe ho ho, merry macOS!

Screenshots

^{See attached screenshots for a visualisation of the changes described.}

^{macOS Tahoe developer beta running on ULTMOS!}

To see individual code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/main

Note

This release has multiple authors. Attributions for contributor changes are included in relevant lines above.

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.13.2

Minor update • 28/04/2025

This update includes the following features / fixes / changes:

• Fixed an issue preventing the OpenCore image from being mounted on the host in some cases (#115) (@kunihir0)
• Added extras summary entry in AutoPilot
• Changed the default network adapter to virtio-net on macOS 11 and later guests
• Changed the position of the virtual machine warning message in the main menu
• Cleaned up some code in AutoPilot
• everyone say it with me.... thaaaaanks kunihiiiiir!

To see individual code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/main

Note

This release has multiple authors. Attributions for contributor changes are included in relevant lines above.

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.

v0.13.2-pre1

Pre-release • 22/04/2025

Warning

THIS IS A PRE-RELEASE.
No changelog can be provided at this time, as features are incomplete or unconfirmed.

This is (probably) an unstable, highly experimental build of the project. By testing out this build, you accept the risks involved with using pre-release software.

To see individual pre-release code changes, visit the project's commits page at https://github.com/Coopydood/ultimate-macOS-KVM/commits/dev

Note

Remember, commits by Coopydood will always be signed as 4CD28348A3DD016F or GitHub's public key.