Universal Blue announced Bazzite 45 as a stable release on November 3, 2026. It adds a diagnostic for Epic’s planned Easy Anti-Cheat Linux v2 rollout and updates support for specific handhelds. The diagnostic checks system requirements; it does not install fixes or change system settings.
A readiness check can tell you whether a system meets listed requirements. Game support still depends on the game’s own implementation.
Bazzite 45 updates its Linux and graphics stack
Bazzite 45 is based on Fedora 45. Universal Blue lists GNOME 51.1, KDE Plasma 6.8.2 and Mesa 26.2.6 in the release, alongside OGC kernel 7.2.15. NVIDIA LTS images use kernel 6.18.60. On non-NVIDIA images, ROCm OpenCL replaces Mesa OpenCL, according to the release announcement.
Universal Blue also said image updates can be as small as 100 MB. The project attributes the smaller update chunks to Zstandard compression and related image-rechunking changes. That figure is the smallest size cited, not a typical update size.
What the EAC Linux v2 checker tells you
Run ujust check-anticheat to check Bazzite against the published requirements for Easy Anti-Cheat Linux v2. The command reports pass or fail results and offers tips; it makes no configuration changes, as Bazzite contributor Tapoxi explained in the checker notes. Its checks include kernel and module signing, Secure Boot, TPM 2.0, measured boot, IOMMU and kernel lockdown.
A passing result describes system readiness. It does not show that a particular game has enabled EAC Linux v2. In an announcement dated October 14, 2026, Epic Games said Fortnite was planned as the first pilot after development and validation. The Epic announcement also listed Universal Blue’s signing key among accepted keys.
Bazzite’s release announcement specifically warned Steam Deck users not to enable Secure Boot. Epic separately said the Deck lacked features required by the EAC v2 solution described in its October announcement. Bazzite also advised handheld users to hold off on kernel lockdown at release.
Handheld support depends on the model
For the Acer Predator Atlas 8, Bazzite 45 added initial InputPlumber support, a Quick Access Menu tap action and mappings for the M1 and M2 rear buttons. In release-day notes, maintainer HikariKnight said tapping the Guide button did not work, though holding it opened the left Steam menu; gyro support was also unavailable. The maintainer said TDP control was available through SimpleDeckyTDP or Panel De Control. The Atlas 8 notes describe those controls for this model specifically.
Bazzite 45 also brought ROG Xbox Ally X20 support to the stable release. The release announcement said a reported custom-TDP fix was still pending on the testing branch at that time. If you’re weighing operating systems for a handheld more broadly, our SteamOS, Bazzite and Windows comparison covers that choice; these release notes give the more specific Bazzite 45 support details.
Project build times are separate from update sizes
Tapoxi reported that an overall Bazzite continuous-integration run fell from 50 minutes to 30 minutes. That is a project build-pipeline measurement, while the 100 MB figure describes a possible image update size. They describe different parts of Bazzite’s development and delivery.
