Product Change Notifications

Historical customer notifications, relating to changes, upgrades, performance enhancements and bugfixes for Quantinuum Systems, are reported below. The link will open a PDF file in the web browser.

Name	Date	Description	Link
System Model H1	2025-07-15	System Model H1 Retirement	View PDF
System Model H2	2024-12-19	System Model H2-2 Release	View PDF
All Quantinuum Systems	2024-12-02	(QIR Addendum)	View PDF
All Quantinuum Systems	2024-10-23	(QIR & Nexus)	View PDF
System Model H2	2024-05-01	System Model H2 N=56 Upgrade	View PDF
System Model H2	2023-04-19	System Model H2 Release	View PDF
System Model H1	2022-12-01	System Model H1 Emulator Noise Parameters Available to Users	View PDF
System Model H1	2022-12-01	TKET Compilation Integration into H-Series Software Stack	View PDF
System Model H1	2022-10-03	H1 Native Gate Set Update	View PDF
System Model H1	2022-06-14	H1 Updates	View PDF
System Model H1	2022-03-13	Upcoming System Model H1 Emulator updates	View PDF
System Model H1	2021-09-10	Upcoming System Model H1 hardware changes	View PDF