Added #

Core Revision Engine

• Added complete revision management engine.
• Added revision item model for managing learning content.
• Added topic-based revision tracking.
• Added mastery score calculation.

Spaced Repetition

• Added spaced repetition algorithm.
• Added automatic next review date calculation.
• Added review interval adjustment based on difficulty.
• Added review count tracking.
• Added mastery progression tracking.

Revision Queue

• Added revision queue management.
• Added automatic filtering of due revision items.
• Added today revision list generation.

Weak Topic Detection

• Added weak topic identification system.
• Added mastery-based topic analysis.
• Added support for identifying topics requiring more practice.

Review Calendar

• Added review calendar generation.
• Added grouping of revision tasks by date.
• Added upcoming revision schedule support.

Difficulty Tracking

• Added difficulty levels:

  • Easy
  • Medium
  • Hard

• Added difficulty-based learning adjustments.

• Added difficulty multiplier system.

Models

• Added:
  • RevisionItem
  • ReviewRecord
  • Difficulty

Developer Experience

• Added clean package architecture.
• Added null safety support.
• Added public exports.
• Added documentation comments.
• Added unit tests.

Testing #

• Added tests for:
  • Spaced repetition flow
  • Revision queue
  • Weak topic detection
  • Review calendar

Maintenance #

• Added Flutter analyzer support.
• Added lint configuration.
• Improved package structure.

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Future Roadmap #

Planned #

• JSON serialization support.
• Local storage adapters.
• Hive database integration.
• SQLite persistence.
• FSRS algorithm support.
• SM-2 algorithm support.
• Revision analytics.
• Learning streak tracking.
• Flutter UI widgets.
• Progress charts.
• Cloud synchronization support.

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License #

GPL License

Copyright (C) 2026 Sufyan bin Uzayr