dioptra.Library
§ changelog

What changed and when.

Most med-ed apps publish a marketing splash and call it a quarter. We list every change here — additions, fixes, errata closed. If you spotted an issue and want to see whether it was fixed, this is where it’ll appear.

Differentiation sprint: 20 packets shipped

Added · 9
  • BCSC reference panel — tap any citation, read the matching paragraph in-app.
  • IRT 2PL pass-probability with 1σ band on dashboard, mock-exam, and onboarding diagnostic.
  • Multi-modal recall: cloze · sequence · image-click · CONSTRUCT (free-text, Haiku-graded). 33 hand-authored variants live.
  • ICO Optics bench (10 calculators) and Standardized Diagnostic Techniques order trainer (12 protocols).
  • Blueprint mandala — coverage × θ per ICO domain. Drill any wedge to filter the queue.
  • Adaptive item selection (CAT-light, Fisher information) togglable per session.
  • Anki .apkg import — drop your deck, see which cards have a verifiable BCSC anchor.
  • Anonymous peer signals on every answered MCQ (option distribution, common trap markers).
  • Errata reporting on every card — we read every submission.
Improved · 1
  • Confidence slider per MCQ; Brier score persists per user; calibration nudges on confidently-wrong answers.
Removed · 1
  • EBO scope removed. ICO is now the sole exam family. Old promises retired.

Spotted a problem? Open any MCQ feedback panel and click “Report errata”. Issues land here once fixed, with attribution unless you opt out.