06 / Changelog
Product Changelog & Releases
Milestones and ongoing functional enhancements to the Tahlil EDU platform
v2.4.0Latest StableNovember 2026
Tahlil EDU — Multi-Page Sessions & Enhanced eMaktab Integration
Pedagogical Context: Teachers were losing entire evenings manually grading stacks of 35 handwritten sheets. The system needed batch album ingestion and direct eMaktab journal formatting.
Technical Changes Delivered:
- Multi-page student work bundling into unified sessions with connection recovery
- Automatic detection of alternative essay prompts (1 of 3) with 1-tap topic reassignment
- «My Groups» autonomous cohort management for independent tutors
- Consent Gate compliance screen adhering to Uzbekistan Law ZRU-547
Pedagogical Outcome: Impact: An entire class of 30 papers is handled in a single continuous session, eliminating tedious manual gradebook transcription.
media_group_id session parser · SHA-256 deduplication · eMaktab .xlsx engine
v2.2.0ArchitectureOctober 2026
Tahlil EDU v1.8 — Deterministic Grading & Gap Remediation
Pedagogical Context: Eliminating probabilistic neural network hallucination on objective tests and mathematical formulas.
Technical Changes Delivered:
- Pure algorithmic grading for multiple-choice, matching, and numeric items
- Class curriculum gap heatmap and automated remediation worksheet generator
- Automated exam specification extraction from Word (.docx) and PDF files
Pedagogical Outcome: Impact: 100% deterministic fidelity to the teacher's answer key on objective items, reserving AI solely for criterion essay rubrics.
deterministic AST key matcher · rubric evaluation pipeline
v1.0.0FoundationAugust 2026
Tahlil EDU v1.5 — Initial Telegram Bot Protocol
Pedagogical Context: Initial launch of the handwritten sheet optical recognition core via Telegram for pilot schools in Tashkent.
Technical Changes Delivered:
- Receipt of handwritten assessment paper photos via Telegram bot
- Preliminary score calculation and text summaries returned directly in chat
- Teacher review interface to verify and confirm awarded marks
Pedagogical Outcome: Impact: Proven feasibility of reading handwritten physics and math formulas directly from photos taken on teachers' smartphones.
initial optical pipeline · aiogram 3.x dispatcher · SQLite ledger
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