AKD Studio has updated their Gulfstream G650 Ultimate Business Jet for X-Plane 11 & X-Plane 12.
This new v1.0.3 update includes new features, bug fixes and additions including a new custom 3D HUD, working HSI in SFD, tuned cockpit and cabin textures, autopilot fixes, cabin pressure fixes, camera fixes and more.
The full changelog can be found below.

You can grab the new v1.0.3 update from the X-Plane.org store now.
If you do not yet own the AKD Studio GLF650 Ultimate Business Jet for X-Plane 11 & 12, you can purchase it from the X-Plane.org store for $44.95.
AKD Studio GLF650 Changelog
Version 1.03 (March 19th 2025)
New features
- Added New Custom 3D HUD(XP12 Only)
- Added Working HSI in SFD(XP12/XP11)
- Added main door switch in cabin(XP12/XP11)
- Tuned Cockpit and cabin 3D textures(XP12/XP11)
- Added 3D seat position reference balls(XP12/XP11)
- Added new HUD Flight director type(DU1/DU4)(XP12/XP11)
Fixed
- TCAS now using TA mode(when 1000ft radio alt)(XP11/XP12)
- Fixed Aircraft banking to the left after disengaging AP(XP11)
- Fixed Custom MCDU Crashes and bugs(XP12/XP11)
- Fixed NAV FROM/TO flag on DU1/DU4(XP12/XP11)
- Fixed bug with airports database(XP12/XP11)
- Fixed “W” camera position(XP11/XP12)
- Fixed Cabin altitude logic(XP12/XP11)
- Fixed Minor bugs(XP12/XP11)