No more blurry fonts in Linux (2023)

Original Article ↗ Hacker News Discussion ↗

Perceived Effect of the Article’s Settings / Screenshots

  • Some can only see the difference at zoom or on phones; others find it “night and day” (e.g., shape of “e”).
  • Many say the “on” image just looks bolder rather than less blurry; some even prefer the original.
  • Several think both screenshots still look bad on low‑DPI displays and that HiDPI is the real solution.

macOS vs Windows vs Linux Font Rendering

  • macOS is repeatedly praised as best on HiDPI screens, but often criticized as worst on low‑DPI after subpixel AA was removed (Mojave → Big Sur).
  • Windows is seen as historically strong on low‑DPI with ClearType, and “good enough” or better than macOS on standard 1080p monitors.
  • Opinions on Linux are split: some can match or surpass macOS/Windows with tuning; others call it “garbage” by default, especially across distros and DEs.

Subpixel Antialiasing, lcdfilter, and Alternatives

  • Subpixel AA is viewed by many as crucial on medium‑DPI (e.g., 24" 4K) for sharpness; others complain about color fringing, especially with astigmatism.
  • lcdfilter + full hinting + RGB AA is recommended by some for non‑4K screens.
  • A minority prefers no smoothing at all plus pixel‑perfect hinting or bitmap fonts for maximal sharpness, especially in editors.

HiDPI, Scaling, and Mixed‑DPI Issues

  • Mac and GNOME/Wayland now often render at a high internal resolution and downscale, which users report as blurry at fractional scales on non‑HiDPI monitors.
  • Windows’ per‑monitor DPI handling and direct fractional scaling are widely regarded as superior for clarity.
  • Long, contentious subthread argues whether X11 truly supports mixed DPI “well”; one side says integer scaling + xrandr/nvidia‑settings works fine, the other says lack of per‑window scale makes legacy/LoDPI apps problematic.

External Monitors and Apple’s Strategy

  • Several complain that macOS fonts look bad on common 1080p or 4K office displays, leading them to tools like BetterDisplay or to prefer Linux.
  • Some argue Apple optimizes only for high‑priced HiDPI panels and dropped subpixel AA partly because it no longer sells low‑DPI hardware; others accuse this of being effectively anti‑competitive, which is strongly disputed.

Meta‑Points and Hardware Limits

  • Some people simply “don’t care” or can’t see the difference; others experience eye strain from blur.
  • There is frustration that desktop monitors still mostly lack 250+ PPI; a few cite expensive 8K 32" panels as rare exceptions.