Qubes OS 4.2 has reached end of life (opens in new tab)

As , the Qubes OS 4.2 release series has officially reached end of life (EOL) as of today, 2026-06-21. We strongly urge any remaining Qubes 4.2 users to immediately. Recommended actions If you’re already using Qubes 4.3, then you don’t have to do anything. This announcement doesn’t apply to you. If you’re still using Qubes 4.2, then you should upgrade to Qubes 4.3 as soon as possible. There are two ways to do this: using the latest stable . This involves , replacing your current installation ...