Technical Reports

Automated QA for Buena Mono · ← back to specimen

Generated against Buena Mono v1.235 · last updated 2026-09-25

QA & Outlines

FontspectorGoogle Fonts QA profile — full check suite incl. outline & anchor checksBuena Mono v1.235 · updated 2026-09-25checkoutlinesufoAFDKO outline checks per master — overlaps, coincident points, flat curvesBuena Mono v1.235 · updated 2026-09-25

Strokes & Weights

FontquantQuantitative fingerprint — stroke contrast, weight, width across instancesBuena Mono v1.235 · updated 2026-09-25Stem histogramspsstemhist — stem widths & alignment zones per masterBuena Mono v1.235 · updated 2026-09-25Ink weight tablestatisticsPen — per-glyph measured ink per instance; optical outliers flaggedBuena Mono v1.235 · updated 2026-09-25

Anchors & Shaping

CollidoscopeGlyph collision detection in shaped text at designspace extremesBuena Mono v1.235 · updated 2026-09-25Anchor reportEvery GPOS anchor per glyph per master, diffed across mastersBuena Mono v1.235 · updated 2026-09-25

Designspace & Interpolation

InterpolatableVariable-font interpolation compatibility across the 8 mastersBuena Mono v1.235 · updated 2026-09-25Diffenator3Version-to-version regression diff (previous release → current)Buena Mono v1.233 · updated 2026-08-31 · not regenerated for v1.235Designspace problemsLettError designspace source validation — axes, sources, rulesBuena Mono v1.235 · updated 2026-09-25

Coverage & Languages

ShaperglotLanguage shaping support — marks, joining, small capsBuena Mono v1.235 · updated 2026-09-25HyperglotLanguage coverage by character setBuena Mono v1.235 · updated 2026-09-25GlyphsetsCoverage vs Google Fonts Latin Core / Plus / Pro glyphset standardsBuena Mono v1.235 · updated 2026-09-25PyfontaineCharacter-set coverage by orthography standardBuena Mono v1.235 · updated 2026-09-25

Proofs & Inspectors

gftools proofHTML proof sheets — glyphs, text, waterfall, proofer (per style)Buena Mono v1.235 · updated 2026-09-25AFDKO proofscharplot / fontsetplot PDFs per master — nodes & control pointsBuena Mono v1.235 · updated 2026-09-25SamsaInteractive variable-font inspector — gvar & designspace, in-browserexternal · runs in your browserWakamai Fondue“What can my font do?” — features, axes, characters (drop the VF in)external · runs in your browser

Research

Glyph confusability0O · 1lI| · 5S · 8B · rn/m proof across weight & slant, light + darkBuena Mono v1.235 · updated 2026-09-25Ligature proofAll coding ligatures, calt on vs off, across axis extremesBuena Mono v1.235 · updated 2026-09-25Machine readabilityOCR / VLM character-recognition accuracy across weights & sizesBuena Mono v1.235 · updated 2026-09-25Machine readability — font comparisonDoes font choice change OCR/VLM accuracy on code? (BUENA-350)benchmark run 2026-07-27 · 6 fonts · not tied to a font versionTexture healingDoes the font heal texture? The lowercase ink spread it would correctBuena Mono v1.235 · updated 2026-09-25BibliographyAnnotated reading-science bibliography grounding the designBuena Mono v1.235 · updated 2026-09-25