Technical Reports

Automated QA for Buena Mono · ← back to specimen

Generated against Buena Mono v1.228 · last updated 2026-07-27

QA & Outlines

FontspectorGoogle Fonts QA profile — full check suite incl. outline & anchor checksBuena Mono v1.228 · updated 2026-07-22checkoutlinesufoAFDKO outline checks per master — overlaps, coincident points, flat curvesBuena Mono v1.228 · updated 2026-07-22

Strokes & Weights

FontquantQuantitative fingerprint — stroke contrast, weight, width across instancesBuena Mono v1.228 · updated 2026-07-22Stem histogramspsstemhist — stem widths & alignment zones per masterBuena Mono v1.228 · updated 2026-07-22Ink weight tablestatisticsPen — per-glyph measured ink per instance; optical outliers flaggedBuena Mono v1.228 · updated 2026-07-22

Anchors & Shaping

CollidoscopeGlyph collision detection in shaped text at designspace extremesBuena Mono v1.228 · updated 2026-07-22Anchor reportEvery GPOS anchor per glyph per master, diffed across mastersBuena Mono v1.228 · updated 2026-07-22

Designspace & Interpolation

InterpolatableVariable-font interpolation compatibility across the 8 mastersBuena Mono v1.228 · updated 2026-07-22Diffenator3Version-to-version regression diff (previous release → current)Buena Mono v1.228 · updated 2026-07-22Designspace problemsLettError designspace source validation — axes, sources, rulesBuena Mono v1.228 · updated 2026-07-22

Coverage & Languages

ShaperglotLanguage shaping support — marks, joining, small capsBuena Mono v1.228 · updated 2026-07-22HyperglotLanguage coverage by character setBuena Mono v1.228 · updated 2026-07-22GlyphsetsCoverage vs Google Fonts Latin Core / Plus / Pro glyphset standardsBuena Mono v1.228 · updated 2026-07-22PyfontaineCharacter-set coverage by orthography standardBuena Mono v1.228 · updated 2026-07-22

Proofs & Inspectors

gftools proofHTML proof sheets — glyphs, text, waterfall, proofer (per style)Buena Mono v1.228 · updated 2026-07-22AFDKO proofscharplot / fontsetplot PDFs per master — nodes & control pointsBuena Mono v1.228 · updated 2026-07-22SamsaInteractive 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 v1.228 · updated 2026-07-22Ligature proofAll coding ligatures, calt on vs off, across axis extremesBuena Mono v1.228 · updated 2026-07-22Machine readabilityOCR / VLM character-recognition accuracy across weights & sizesBuena Mono v1.228 · updated 2026-07-22Machine readability — font comparisonDoes font choice change OCR/VLM accuracy on code? (BUENA-350)Buena Mono v1.228 · updated 2026-07-27BibliographyAnnotated reading-science bibliography grounding the designBuena Mono v1.228 · updated 2026-07-26