Firefox Introduces Native Fractional Scaling Support

Mozilla released Firefox 146 this week, introducing native fractional scaling for Wayland, an AI-powered link preview system, WebRender and graphics improvements, new codec and WebGPU support, security patches, and profile refinements. The Wayland change renders non-integer scales like 125% and 150% precisely, removing XWayland workarounds and reducing latency and CPU use on high‑DPI displays. Developers and enterprise users gain smoother rendering and better compatibility.
Key Points
- 1Adds native fractional scaling on Wayland to render non-integer scales precisely
- 2Reduces latency and visual artifacts by removing XWayland workarounds for high‑DPI displays
- 3Enables smoother animations, lower CPU usage, and better battery life on high‑resolution devices
Scoring Rationale
Useful cross-platform rendering and AI features with official release credibility, but mostly incremental and focused on Linux high‑DPI users.
Sources
Public references used for this report.
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