In loving memory of square checkbox

Original Article ↗ Hacker News Discussion ↗

Longstanding GUI conventions like square checkboxes and circular radio buttons are being eroded as platforms—most notably Apple’s visionOS and various mobile apps—adopt uniformly round selection controls and toggle switches. Commenters argue this blurs the visual distinction between “choose many” and “choose one,” undermining decades of learned usability patterns and making interfaces harder for everyone from seniors to people with ADHD to parse. More broadly, the thread critiques modern UI trends—flat design, vanishing scrollbars, ambiguous toggles—as privileging aesthetics and novelty over clarity, consistency, and accessibility.

Legacy GUI conventions & nostalgia

  • Many see Windows 95/2000/XP, classic macOS, and GTK2 as peaks of clarity: strong affordances, visible borders, thick scrollbars, obvious buttons.
  • Complaints that modern “flat” and Material-inspired UIs hide interactivity, remove scrollbars, and blur distinctions between labels and controls.
  • Some institutions kept “classic” themes for performance and clarity; others note enshittification as UI fads cycle.

Checkbox vs radio: semantics and shapes

  • Traditional convention:
    • Square = checkbox (multi-select, can be all off, can be indeterminate).
    • Circle = radio (mutually exclusive, one must be on).
  • Posters argue this visual distinction is a valuable mental model, especially when text or context are unclear.
  • Some counter that most “normies” don’t consciously rely on the shape distinction and that context and copy should carry more meaning.

Apple, VisionOS, and round checkboxes

  • VisionOS introduces round checkboxes, which visually resemble radio buttons.
  • One camp: Apple is breaking a four-decade convention for no good reason; fear other platforms will copy this.
  • Other camp: VisionOS has unique interaction constraints (eye-tracking); Apple’s guidelines suggest rounded shapes are easier to fix gaze on, so this may be a technical, not purely aesthetic, decision.
  • Skepticism about Apple’s recent HIG updates; some see them as post‑hoc justifications of visual trends.

Toggles vs checkboxes

  • Toggles increasingly replace checkboxes, especially on mobile and in settings. Common points:
    • Toggles imply immediate effect; checkboxes imply a later submit step.
    • Ambiguity: Does icon/color show current state or the result of tapping? White/black icons, line-through icons (mute), and ON/OFF labels under sliders confuse many.
    • Dark patterns: newsletter and cookie-consent UIs intentionally use reversed colors or wording.
  • Some users (including some ADHD reports) find physical-like toggles easier; others strongly prefer unambiguous checkboxes.

Accessibility & usability concerns

  • Seniors and less technical users struggle to identify what is clickable in flat UIs, especially in critical contexts like healthcare apps.
  • Tiny hit targets (e.g., Gmail’s nested checkboxes), disappearing scrollbars, and color-only state indication are seen as hostile to accessibility.
  • Color-blind users may not reliably distinguish toggle states without shape / contrast cues.

Design culture & broader critique

  • Several see UX drifting from research-driven usability toward fashion, portfolio pieces, and copying Apple/Google.
  • Complaints about management demanding constant visual change, Electron apps ignoring OS conventions, and web designers “re-inventing” basic controls.
  • Others argue average UX has improved overall, but consistency and discoverability are being sacrificed at the edges.