Sitor

Changelog

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Web v1.2.0

Custom Podcast Styles & Full Mindmap Enhancements

Personalized podcast dialogue styles and crisp full-board mindmap exports.

Features

  • Three new podcast styles: Choose between "Casual Chat", "Clash of Ideas", and "Deep Dive", each with tailored voices and scripts.
  • Default podcast style preference: Save your favorite style in settings for effortless future generations.

Improvements

  • Full mindmap export enhancement: Fixed SVG background clipping to ensure full unified canvas coverage for multi-directional mindmaps.
  • Clearer node action tags: Added detailed tooltips for mindmaps, summaries, and podcasts on roadmap nodes.

Fixes

  • Refined interviewer mode guidance for clearer mock interview interactions.
  • Fixed review target resolution to accurately clear overdue forgetting states upon test completion.
Web v1.1.0

Next-Gen Reading Room & Highlight Spaced Review

A magazine-grade reading experience with automated spaced repetition.

Features

  • Proprietary typography engine: Native EPUB/PDF parsing with punctuation squeezing, line-breaking rules, and baseline grids.
  • Shelf highlight review: Automatically generates Ebbinghaus spaced-repetition cards from your highlights.
  • Unified course materials & bookshelf: PDF/EPUB files uploaded in class sync seamlessly to your reading room.
  • Editable learner memory: Inspect, add, and adjust your personal learning preferences and profile facts.

Improvements

  • Mobile reading room adaptation: Tap-to-toggle bottom drawers for typography settings and table of contents.
  • Gesture disambiguation: Precise separation between drag-to-select and double-tap sentence selection.

Fixes

  • Eliminated residual page numbers and broken paragraphs in PDF reflow.
  • Fixed highlight character offset discrepancies across chapter transitions.
Web v1.0.0

1.0 — Introducing Your All-New Learning Space

Evolving from a simple chat box into an immersive multimodal learning environment.

Features

  • Four dedicated spaces: Today (actionable tasks), Shelf (grouped courses), Footprints (memory radar), and Profile (customization).
  • Immersive 3-column classroom: Left roadmap progress, center chapter-based dialog, right multimodal board (notes/diagrams/sandbox).
  • Scroll-docked diagrams: Mermaid and ECharts diagrams smoothly scale down and dock to the top-right when scrolling past.
  • Multimodal source intake: One-click opening from EPUBs, PDFs, code repositories, audio/video, or web links.

Improvements

  • Rich visual explanations: Embedded support for dynamic ECharts, Mermaid charts, and KaTeX mathematical notation.
  • Learner-facing concise notes: Automatic synthesis of key takeaways and common pitfalls without score clutter.
  • Resizable split columns: Freely drag split borders between dialog and explain panels.

Fixes

  • Resolved payload truncation on complex multi-step deep research reports.
  • Polished dark mode contrast across code snippets and diagram cards.
iOS / Android v1.1.0

Mobile Voice Interaction & Spaced Review Push Notifications

Real-time voice input, scheduled review reminders, and refined dark mode.

Features

  • Hold-to-talk voice input: Press and hold to speak, with rapid transcription and streaming tutor responses.
  • Spaced repetition notifications: Gentle reminders when concepts enter optimal recall review windows.
  • Mobile reader refinement: Gesture page turning, bottom highlight toolbar, and smooth TOC drawer.

Improvements

  • Improved audio streaming buffer resilience on unstable mobile connections.
  • Fine-tuned pure-black and warm-stone palettes for OLED dark mode.

Fixes

  • Fixed background podcast playback interruption on iOS.
  • Resolved keyboard overlapping issues on specific Android viewport resizes.
v0.8.0

Hand-Drawn Visual Summaries & Diagram Upgrades

Features

  • Hand-drawn visual notes: Automatic warm-sketch diagrams for abstract concepts to anchor visual memory.
  • Interactive diagrams: Zoom, pan, full-screen view, and high-resolution card downloads.

Improvements

  • Smart context compression: Preserves core pedagogy state over long conversations without token exhaustion.
v0.7.0

Course Folder Management & Friend Referral

Features

  • Course folders: Organize learning threads into custom folders with folder-level teaching style preferences.
  • Referral system: Invite friends with custom codes to earn learning points for both.
v0.5.0

Smart Web Search & Quote-to-Ask

Features

  • Web search integration: Real-time queries for up-to-date documentation with source citations.
  • Quote-to-ask: Highlight any sentence in the tutor’s reply to initiate an instant drill-down question.
v0.4.0

Learner Memory & Spaced Repetition Engine

Features

  • Long-term learner memory: The tutor remembers your weak spots and strengths to tailor future lessons.
  • Ebbinghaus spaced repetition: Calculates optimal review intervals based on learning history.
v0.1.0

Sitor Core 1-on-1 AI Tutor Engine Launch

Features

  • Socratic inquiry: Active questioning that guides learners to derive core principles independently.
  • Dynamic roadmaps: Automatically decomposes any learning goal into structured, bite-sized nodes.
  • Mastery-gated progression: Ensures true comprehension before unlocking subsequent topics.